lib/librte_ethdev/rte_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/types.h>
   6 #include <sys/queue.h>
   7 #include <ctype.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <stdarg.h>
  12 #include <errno.h>
  13 #include <stdbool.h>
  14 #include <stdint.h>
  15 #include <inttypes.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_log.h>
  20 #include <rte_debug.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_memzone.h>
  25 #include <rte_launch.h>
  26 #include <rte_eal.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_atomic.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_common.h>
  32 #include <rte_mempool.h>
  33 #include <rte_malloc.h>
  34 #include <rte_mbuf.h>
  35 #include <rte_errno.h>
  36 #include <rte_spinlock.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_kvargs.h>
  39 #include <rte_class.h>
  40
  41 #include "rte_ether.h"
  42 #include "rte_ethdev.h"
  43 #include "rte_ethdev_driver.h"
  44 #include "ethdev_profile.h"
  45 #include "ethdev_private.h"
  46
  47 int rte_eth_dev_logtype;
  48
  49 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
  50 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
  51 static uint16_t eth_dev_last_created_port;
  52
  53 /* spinlock for eth device callbacks */
  54 static rte_spinlock_t rte_eth_dev_cb_lock = RTE_SPINLOCK_INITIALIZER;
  55
  56 /* spinlock for add/remove rx callbacks */
  57 static rte_spinlock_t rte_eth_rx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  58
  59 /* spinlock for add/remove tx callbacks */
  60 static rte_spinlock_t rte_eth_tx_cb_lock = RTE_SPINLOCK_INITIALIZER;
  61
  62 /* spinlock for shared data allocation */
  63 static rte_spinlock_t rte_eth_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
  64
  65 /* store statistics names and its offset in stats structure  */
  66 struct rte_eth_xstats_name_off {
  67         char name[RTE_ETH_XSTATS_NAME_SIZE];
  68         unsigned offset;
  69 };
  70
  71 /* Shared memory between primary and secondary processes. */
  72 static struct {
  73         uint64_t next_owner_id;
  74         rte_spinlock_t ownership_lock;
  75         struct rte_eth_dev_data data[RTE_MAX_ETHPORTS];
  76 } *rte_eth_dev_shared_data;
  77
  78 static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
  79         {"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
  80         {"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
  81         {"rx_good_bytes", offsetof(struct rte_eth_stats, ibytes)},
  82         {"tx_good_bytes", offsetof(struct rte_eth_stats, obytes)},
  83         {"rx_missed_errors", offsetof(struct rte_eth_stats, imissed)},
  84         {"rx_errors", offsetof(struct rte_eth_stats, ierrors)},
  85         {"tx_errors", offsetof(struct rte_eth_stats, oerrors)},
  86         {"rx_mbuf_allocation_errors", offsetof(struct rte_eth_stats,
  87                 rx_nombuf)},
  88 };
  89
  90 #define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
  91
  92 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
  93         {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
  94         {"bytes", offsetof(struct rte_eth_stats, q_ibytes)},
  95         {"errors", offsetof(struct rte_eth_stats, q_errors)},
  96 };
  97
  98 #define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /       \
  99                 sizeof(rte_rxq_stats_strings[0]))
 100
 101 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
 102         {"packets", offsetof(struct rte_eth_stats, q_opackets)},
 103         {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 104 };
 105 #define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /       \
 106                 sizeof(rte_txq_stats_strings[0]))
 107
 108 #define RTE_RX_OFFLOAD_BIT2STR(_name)   \
 109         { DEV_RX_OFFLOAD_##_name, #_name }
 110
 111 static const struct {
 112         uint64_t offload;
 113         const char *name;
 114 } rte_rx_offload_names[] = {
 115         RTE_RX_OFFLOAD_BIT2STR(VLAN_STRIP),
 116         RTE_RX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 117         RTE_RX_OFFLOAD_BIT2STR(UDP_CKSUM),
 118         RTE_RX_OFFLOAD_BIT2STR(TCP_CKSUM),
 119         RTE_RX_OFFLOAD_BIT2STR(TCP_LRO),
 120         RTE_RX_OFFLOAD_BIT2STR(QINQ_STRIP),
 121         RTE_RX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 122         RTE_RX_OFFLOAD_BIT2STR(MACSEC_STRIP),
 123         RTE_RX_OFFLOAD_BIT2STR(HEADER_SPLIT),
 124         RTE_RX_OFFLOAD_BIT2STR(VLAN_FILTER),
 125         RTE_RX_OFFLOAD_BIT2STR(VLAN_EXTEND),
 126         RTE_RX_OFFLOAD_BIT2STR(JUMBO_FRAME),
 127         RTE_RX_OFFLOAD_BIT2STR(SCATTER),
 128         RTE_RX_OFFLOAD_BIT2STR(TIMESTAMP),
 129         RTE_RX_OFFLOAD_BIT2STR(SECURITY),
 130         RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
 131         RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 132         RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 133 };
 134
 135 #undef RTE_RX_OFFLOAD_BIT2STR
 136
 137 #define RTE_TX_OFFLOAD_BIT2STR(_name)   \
 138         { DEV_TX_OFFLOAD_##_name, #_name }
 139
 140 static const struct {
 141         uint64_t offload;
 142         const char *name;
 143 } rte_tx_offload_names[] = {
 144         RTE_TX_OFFLOAD_BIT2STR(VLAN_INSERT),
 145         RTE_TX_OFFLOAD_BIT2STR(IPV4_CKSUM),
 146         RTE_TX_OFFLOAD_BIT2STR(UDP_CKSUM),
 147         RTE_TX_OFFLOAD_BIT2STR(TCP_CKSUM),
 148         RTE_TX_OFFLOAD_BIT2STR(SCTP_CKSUM),
 149         RTE_TX_OFFLOAD_BIT2STR(TCP_TSO),
 150         RTE_TX_OFFLOAD_BIT2STR(UDP_TSO),
 151         RTE_TX_OFFLOAD_BIT2STR(OUTER_IPV4_CKSUM),
 152         RTE_TX_OFFLOAD_BIT2STR(QINQ_INSERT),
 153         RTE_TX_OFFLOAD_BIT2STR(VXLAN_TNL_TSO),
 154         RTE_TX_OFFLOAD_BIT2STR(GRE_TNL_TSO),
 155         RTE_TX_OFFLOAD_BIT2STR(IPIP_TNL_TSO),
 156         RTE_TX_OFFLOAD_BIT2STR(GENEVE_TNL_TSO),
 157         RTE_TX_OFFLOAD_BIT2STR(MACSEC_INSERT),
 158         RTE_TX_OFFLOAD_BIT2STR(MT_LOCKFREE),
 159         RTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),
 160         RTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),
 161         RTE_TX_OFFLOAD_BIT2STR(SECURITY),
 162         RTE_TX_OFFLOAD_BIT2STR(UDP_TNL_TSO),
 163         RTE_TX_OFFLOAD_BIT2STR(IP_TNL_TSO),
 164         RTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
 165         RTE_TX_OFFLOAD_BIT2STR(MATCH_METADATA),
 166 };
 167
 168 #undef RTE_TX_OFFLOAD_BIT2STR
 169
 170 /**
 171  * The user application callback description.
 172  *
 173  * It contains callback address to be registered by user application,
 174  * the pointer to the parameters for callback, and the event type.
 175  */
 176 struct rte_eth_dev_callback {
 177         TAILQ_ENTRY(rte_eth_dev_callback) next; /**< Callbacks list */
 178         rte_eth_dev_cb_fn cb_fn;                /**< Callback address */
 179         void *cb_arg;                           /**< Parameter for callback */
 180         void *ret_param;                        /**< Return parameter */
 181         enum rte_eth_event_type event;          /**< Interrupt event type */
 182         uint32_t active;                        /**< Callback is executing */
 183 };
 184
 185 enum {
 186         STAT_QMAP_TX = 0,
 187         STAT_QMAP_RX
 188 };
 189
 190 int
 191 rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs_str)
 192 {
 193         int ret;
 194         struct rte_devargs devargs = {.args = NULL};
 195         const char *bus_param_key;
 196         char *bus_str = NULL;
 197         char *cls_str = NULL;
 198         int str_size;
 199
 200         memset(iter, 0, sizeof(*iter));
 201
 202         /*
 203          * The devargs string may use various syntaxes:
 204          *   - 0000:08:00.0,representor=[1-3]
 205          *   - pci:0000:06:00.0,representor=[0,5]
 206          *   - class=eth,mac=00:11:22:33:44:55
 207          * A new syntax is in development (not yet supported):
 208          *   - bus=X,paramX=x/class=Y,paramY=y/driver=Z,paramZ=z
 209          */
 210
 211         /*
 212          * Handle pure class filter (i.e. without any bus-level argument),
 213          * from future new syntax.
 214          * rte_devargs_parse() is not yet supporting the new syntax,
 215          * that's why this simple case is temporarily parsed here.
 216          */
 217 #define iter_anybus_str "class=eth,"
 218         if (strncmp(devargs_str, iter_anybus_str,
 219                         strlen(iter_anybus_str)) == 0) {
 220                 iter->cls_str = devargs_str + strlen(iter_anybus_str);
 221                 goto end;
 222         }
 223
 224         /* Split bus, device and parameters. */
 225         ret = rte_devargs_parse(&devargs, devargs_str);
 226         if (ret != 0)
 227                 goto error;
 228
 229         /*
 230          * Assume parameters of old syntax can match only at ethdev level.
 231          * Extra parameters will be ignored, thanks to "+" prefix.
 232          */
 233         str_size = strlen(devargs.args) + 2;
 234         cls_str = malloc(str_size);
 235         if (cls_str == NULL) {
 236                 ret = -ENOMEM;
 237                 goto error;
 238         }
 239         ret = snprintf(cls_str, str_size, "+%s", devargs.args);
 240         if (ret != str_size - 1) {
 241                 ret = -EINVAL;
 242                 goto error;
 243         }
 244         iter->cls_str = cls_str;
 245         free(devargs.args); /* allocated by rte_devargs_parse() */
 246         devargs.args = NULL;
 247
 248         iter->bus = devargs.bus;
 249         if (iter->bus->dev_iterate == NULL) {
 250                 ret = -ENOTSUP;
 251                 goto error;
 252         }
 253
 254         /* Convert bus args to new syntax for use with new API dev_iterate. */
 255         if (strcmp(iter->bus->name, "vdev") == 0) {
 256                 bus_param_key = "name";
 257         } else if (strcmp(iter->bus->name, "pci") == 0) {
 258                 bus_param_key = "addr";
 259         } else {
 260                 ret = -ENOTSUP;
 261                 goto error;
 262         }
 263         str_size = strlen(bus_param_key) + strlen(devargs.name) + 2;
 264         bus_str = malloc(str_size);
 265         if (bus_str == NULL) {
 266                 ret = -ENOMEM;
 267                 goto error;
 268         }
 269         ret = snprintf(bus_str, str_size, "%s=%s",
 270                         bus_param_key, devargs.name);
 271         if (ret != str_size - 1) {
 272                 ret = -EINVAL;
 273                 goto error;
 274         }
 275         iter->bus_str = bus_str;
 276
 277 end:
 278         iter->cls = rte_class_find_by_name("eth");
 279         return 0;
 280
 281 error:
 282         if (ret == -ENOTSUP)
 283                 RTE_LOG(ERR, EAL, "Bus %s does not support iterating.\n",
 284                                 iter->bus->name);
 285         free(devargs.args);
 286         free(bus_str);
 287         free(cls_str);
 288         return ret;
 289 }
 290
 291 uint16_t
 292 rte_eth_iterator_next(struct rte_dev_iterator *iter)
 293 {
 294         if (iter->cls == NULL) /* invalid ethdev iterator */
 295                 return RTE_MAX_ETHPORTS;
 296
 297         do { /* loop to try all matching rte_device */
 298                 /* If not pure ethdev filter and */
 299                 if (iter->bus != NULL &&
 300                                 /* not in middle of rte_eth_dev iteration, */
 301                                 iter->class_device == NULL) {
 302                         /* get next rte_device to try. */
 303                         iter->device = iter->bus->dev_iterate(
 304                                         iter->device, iter->bus_str, iter);
 305                         if (iter->device == NULL)
 306                                 break; /* no more rte_device candidate */
 307                 }
 308                 /* A device is matching bus part, need to check ethdev part. */
 309                 iter->class_device = iter->cls->dev_iterate(
 310                                 iter->class_device, iter->cls_str, iter);
 311                 if (iter->class_device != NULL)
 312                         return eth_dev_to_id(iter->class_device); /* match */
 313         } while (iter->bus != NULL); /* need to try next rte_device */
 314
 315         /* No more ethdev port to iterate. */
 316         rte_eth_iterator_cleanup(iter);
 317         return RTE_MAX_ETHPORTS;
 318 }
 319
 320 void
 321 rte_eth_iterator_cleanup(struct rte_dev_iterator *iter)
 322 {
 323         if (iter->bus_str == NULL)
 324                 return; /* nothing to free in pure class filter */
 325         free(RTE_CAST_FIELD(iter, bus_str, char *)); /* workaround const */
 326         free(RTE_CAST_FIELD(iter, cls_str, char *)); /* workaround const */
 327         memset(iter, 0, sizeof(*iter));
 328 }
 329
 330 uint16_t
 331 rte_eth_find_next(uint16_t port_id)
 332 {
 333         while (port_id < RTE_MAX_ETHPORTS &&
 334                rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 335                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED)
 336                 port_id++;
 337
 338         if (port_id >= RTE_MAX_ETHPORTS)
 339                 return RTE_MAX_ETHPORTS;
 340
 341         return port_id;
 342 }
 343
 344 static void
 345 rte_eth_dev_shared_data_prepare(void)
 346 {
 347         const unsigned flags = 0;
 348         const struct rte_memzone *mz;
 349
 350         rte_spinlock_lock(&rte_eth_shared_data_lock);
 351
 352         if (rte_eth_dev_shared_data == NULL) {
 353                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 354                         /* Allocate port data and ownership shared memory. */
 355                         mz = rte_memzone_reserve(MZ_RTE_ETH_DEV_DATA,
 356                                         sizeof(*rte_eth_dev_shared_data),
 357                                         rte_socket_id(), flags);
 358                 } else
 359                         mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
 360                 if (mz == NULL)
 361                         rte_panic("Cannot allocate ethdev shared data\n");
 362
 363                 rte_eth_dev_shared_data = mz->addr;
 364                 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 365                         rte_eth_dev_shared_data->next_owner_id =
 366                                         RTE_ETH_DEV_NO_OWNER + 1;
 367                         rte_spinlock_init(&rte_eth_dev_shared_data->ownership_lock);
 368                         memset(rte_eth_dev_shared_data->data, 0,
 369                                sizeof(rte_eth_dev_shared_data->data));
 370                 }
 371         }
 372
 373         rte_spinlock_unlock(&rte_eth_shared_data_lock);
 374 }
 375
 376 static bool
 377 is_allocated(const struct rte_eth_dev *ethdev)
 378 {
 379         return ethdev->data->name[0] != '\0';
 380 }
 381
 382 static struct rte_eth_dev *
 383 _rte_eth_dev_allocated(const char *name)
 384 {
 385         unsigned i;
 386
 387         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 388                 if (rte_eth_devices[i].data != NULL &&
 389                     strcmp(rte_eth_devices[i].data->name, name) == 0)
 390                         return &rte_eth_devices[i];
 391         }
 392         return NULL;
 393 }
 394
 395 struct rte_eth_dev *
 396 rte_eth_dev_allocated(const char *name)
 397 {
 398         struct rte_eth_dev *ethdev;
 399
 400         rte_eth_dev_shared_data_prepare();
 401
 402         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 403
 404         ethdev = _rte_eth_dev_allocated(name);
 405
 406         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 407
 408         return ethdev;
 409 }
 410
 411 static uint16_t
 412 rte_eth_dev_find_free_port(void)
 413 {
 414         unsigned i;
 415
 416         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 417                 /* Using shared name field to find a free port. */
 418                 if (rte_eth_dev_shared_data->data[i].name[0] == '\0') {
 419                         RTE_ASSERT(rte_eth_devices[i].state ==
 420                                    RTE_ETH_DEV_UNUSED);
 421                         return i;
 422                 }
 423         }
 424         return RTE_MAX_ETHPORTS;
 425 }
 426
 427 static struct rte_eth_dev *
 428 eth_dev_get(uint16_t port_id)
 429 {
 430         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
 431
 432         eth_dev->data = &rte_eth_dev_shared_data->data[port_id];
 433
 434         eth_dev_last_created_port = port_id;
 435
 436         return eth_dev;
 437 }
 438
 439 struct rte_eth_dev *
 440 rte_eth_dev_allocate(const char *name)
 441 {
 442         uint16_t port_id;
 443         struct rte_eth_dev *eth_dev = NULL;
 444
 445         rte_eth_dev_shared_data_prepare();
 446
 447         /* Synchronize port creation between primary and secondary threads. */
 448         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 449
 450         if (_rte_eth_dev_allocated(name) != NULL) {
 451                 RTE_ETHDEV_LOG(ERR,
 452                         "Ethernet device with name %s already allocated\n",
 453                         name);
 454                 goto unlock;
 455         }
 456
 457         port_id = rte_eth_dev_find_free_port();
 458         if (port_id == RTE_MAX_ETHPORTS) {
 459                 RTE_ETHDEV_LOG(ERR,
 460                         "Reached maximum number of Ethernet ports\n");
 461                 goto unlock;
 462         }
 463
 464         eth_dev = eth_dev_get(port_id);
 465         snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name);
 466         eth_dev->data->port_id = port_id;
 467         eth_dev->data->mtu = ETHER_MTU;
 468
 469 unlock:
 470         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 471
 472         return eth_dev;
 473 }
 474
 475 /*
 476  * Attach to a port already registered by the primary process, which
 477  * makes sure that the same device would have the same port id both
 478  * in the primary and secondary process.
 479  */
 480 struct rte_eth_dev *
 481 rte_eth_dev_attach_secondary(const char *name)
 482 {
 483         uint16_t i;
 484         struct rte_eth_dev *eth_dev = NULL;
 485
 486         rte_eth_dev_shared_data_prepare();
 487
 488         /* Synchronize port attachment to primary port creation and release. */
 489         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 490
 491         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 492                 if (strcmp(rte_eth_dev_shared_data->data[i].name, name) == 0)
 493                         break;
 494         }
 495         if (i == RTE_MAX_ETHPORTS) {
 496                 RTE_ETHDEV_LOG(ERR,
 497                         "Device %s is not driven by the primary process\n",
 498                         name);
 499         } else {
 500                 eth_dev = eth_dev_get(i);
 501                 RTE_ASSERT(eth_dev->data->port_id == i);
 502         }
 503
 504         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 505         return eth_dev;
 506 }
 507
 508 int
 509 rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
 510 {
 511         if (eth_dev == NULL)
 512                 return -EINVAL;
 513
 514         rte_eth_dev_shared_data_prepare();
 515
 516         if (eth_dev->state != RTE_ETH_DEV_UNUSED)
 517                 _rte_eth_dev_callback_process(eth_dev,
 518                                 RTE_ETH_EVENT_DESTROY, NULL);
 519
 520         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 521
 522         eth_dev->state = RTE_ETH_DEV_UNUSED;
 523
 524         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 525                 rte_free(eth_dev->data->rx_queues);
 526                 rte_free(eth_dev->data->tx_queues);
 527                 rte_free(eth_dev->data->mac_addrs);
 528                 rte_free(eth_dev->data->hash_mac_addrs);
 529                 rte_free(eth_dev->data->dev_private);
 530                 memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
 531         }
 532
 533         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 534
 535         return 0;
 536 }
 537
 538 int
 539 rte_eth_dev_is_valid_port(uint16_t port_id)
 540 {
 541         if (port_id >= RTE_MAX_ETHPORTS ||
 542             (rte_eth_devices[port_id].state == RTE_ETH_DEV_UNUSED))
 543                 return 0;
 544         else
 545                 return 1;
 546 }
 547
 548 static int
 549 rte_eth_is_valid_owner_id(uint64_t owner_id)
 550 {
 551         if (owner_id == RTE_ETH_DEV_NO_OWNER ||
 552             rte_eth_dev_shared_data->next_owner_id <= owner_id)
 553                 return 0;
 554         return 1;
 555 }
 556
 557 uint64_t
 558 rte_eth_find_next_owned_by(uint16_t port_id, const uint64_t owner_id)
 559 {
 560         while (port_id < RTE_MAX_ETHPORTS &&
 561                ((rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
 562                rte_eth_devices[port_id].state != RTE_ETH_DEV_REMOVED) ||
 563                rte_eth_devices[port_id].data->owner.id != owner_id))
 564                 port_id++;
 565
 566         if (port_id >= RTE_MAX_ETHPORTS)
 567                 return RTE_MAX_ETHPORTS;
 568
 569         return port_id;
 570 }
 571
 572 int __rte_experimental
 573 rte_eth_dev_owner_new(uint64_t *owner_id)
 574 {
 575         rte_eth_dev_shared_data_prepare();
 576
 577         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 578
 579         *owner_id = rte_eth_dev_shared_data->next_owner_id++;
 580
 581         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 582         return 0;
 583 }
 584
 585 static int
 586 _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id,
 587                        const struct rte_eth_dev_owner *new_owner)
 588 {
 589         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 590         struct rte_eth_dev_owner *port_owner;
 591         int sret;
 592
 593         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 594                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 595                         port_id);
 596                 return -ENODEV;
 597         }
 598
 599         if (!rte_eth_is_valid_owner_id(new_owner->id) &&
 600             !rte_eth_is_valid_owner_id(old_owner_id)) {
 601                 RTE_ETHDEV_LOG(ERR,
 602                         "Invalid owner old_id=%016"PRIx64" new_id=%016"PRIx64"\n",
 603                        old_owner_id, new_owner->id);
 604                 return -EINVAL;
 605         }
 606
 607         port_owner = &rte_eth_devices[port_id].data->owner;
 608         if (port_owner->id != old_owner_id) {
 609                 RTE_ETHDEV_LOG(ERR,
 610                         "Cannot set owner to port %u already owned by %s_%016"PRIX64"\n",
 611                         port_id, port_owner->name, port_owner->id);
 612                 return -EPERM;
 613         }
 614
 615         sret = snprintf(port_owner->name, RTE_ETH_MAX_OWNER_NAME_LEN, "%s",
 616                         new_owner->name);
 617         if (sret < 0 || sret >= RTE_ETH_MAX_OWNER_NAME_LEN)
 618                 RTE_ETHDEV_LOG(ERR, "Port %u owner name was truncated\n",
 619                         port_id);
 620
 621         port_owner->id = new_owner->id;
 622
 623         RTE_ETHDEV_LOG(DEBUG, "Port %u owner is %s_%016"PRIx64"\n",
 624                 port_id, new_owner->name, new_owner->id);
 625
 626         return 0;
 627 }
 628
 629 int __rte_experimental
 630 rte_eth_dev_owner_set(const uint16_t port_id,
 631                       const struct rte_eth_dev_owner *owner)
 632 {
 633         int ret;
 634
 635         rte_eth_dev_shared_data_prepare();
 636
 637         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 638
 639         ret = _rte_eth_dev_owner_set(port_id, RTE_ETH_DEV_NO_OWNER, owner);
 640
 641         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 642         return ret;
 643 }
 644
 645 int __rte_experimental
 646 rte_eth_dev_owner_unset(const uint16_t port_id, const uint64_t owner_id)
 647 {
 648         const struct rte_eth_dev_owner new_owner = (struct rte_eth_dev_owner)
 649                         {.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 650         int ret;
 651
 652         rte_eth_dev_shared_data_prepare();
 653
 654         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 655
 656         ret = _rte_eth_dev_owner_set(port_id, owner_id, &new_owner);
 657
 658         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 659         return ret;
 660 }
 661
 662 void __rte_experimental
 663 rte_eth_dev_owner_delete(const uint64_t owner_id)
 664 {
 665         uint16_t port_id;
 666
 667         rte_eth_dev_shared_data_prepare();
 668
 669         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 670
 671         if (rte_eth_is_valid_owner_id(owner_id)) {
 672                 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
 673                         if (rte_eth_devices[port_id].data->owner.id == owner_id)
 674                                 memset(&rte_eth_devices[port_id].data->owner, 0,
 675                                        sizeof(struct rte_eth_dev_owner));
 676                 RTE_ETHDEV_LOG(NOTICE,
 677                         "All port owners owned by %016"PRIx64" identifier have removed\n",
 678                         owner_id);
 679         } else {
 680                 RTE_ETHDEV_LOG(ERR,
 681                                "Invalid owner id=%016"PRIx64"\n",
 682                                owner_id);
 683         }
 684
 685         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 686 }
 687
 688 int __rte_experimental
 689 rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner)
 690 {
 691         int ret = 0;
 692         struct rte_eth_dev *ethdev = &rte_eth_devices[port_id];
 693
 694         rte_eth_dev_shared_data_prepare();
 695
 696         rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 697
 698         if (port_id >= RTE_MAX_ETHPORTS || !is_allocated(ethdev)) {
 699                 RTE_ETHDEV_LOG(ERR, "Port id %"PRIu16" is not allocated\n",
 700                         port_id);
 701                 ret = -ENODEV;
 702         } else {
 703                 rte_memcpy(owner, &ethdev->data->owner, sizeof(*owner));
 704         }
 705
 706         rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock);
 707         return ret;
 708 }
 709
 710 int
 711 rte_eth_dev_socket_id(uint16_t port_id)
 712 {
 713         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
 714         return rte_eth_devices[port_id].data->numa_node;
 715 }
 716
 717 void *
 718 rte_eth_dev_get_sec_ctx(uint16_t port_id)
 719 {
 720         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, NULL);
 721         return rte_eth_devices[port_id].security_ctx;
 722 }
 723
 724 uint16_t
 725 rte_eth_dev_count(void)
 726 {
 727         return rte_eth_dev_count_avail();
 728 }
 729
 730 uint16_t
 731 rte_eth_dev_count_avail(void)
 732 {
 733         uint16_t p;
 734         uint16_t count;
 735
 736         count = 0;
 737
 738         RTE_ETH_FOREACH_DEV(p)
 739                 count++;
 740
 741         return count;
 742 }
 743
 744 uint16_t __rte_experimental
 745 rte_eth_dev_count_total(void)
 746 {
 747         uint16_t port, count = 0;
 748
 749         for (port = 0; port < RTE_MAX_ETHPORTS; port++)
 750                 if (rte_eth_devices[port].state != RTE_ETH_DEV_UNUSED)
 751                         count++;
 752
 753         return count;
 754 }
 755
 756 int
 757 rte_eth_dev_get_name_by_port(uint16_t port_id, char *name)
 758 {
 759         char *tmp;
 760
 761         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 762
 763         if (name == NULL) {
 764                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 765                 return -EINVAL;
 766         }
 767
 768         /* shouldn't check 'rte_eth_devices[i].data',
 769          * because it might be overwritten by VDEV PMD */
 770         tmp = rte_eth_dev_shared_data->data[port_id].name;
 771         strcpy(name, tmp);
 772         return 0;
 773 }
 774
 775 int
 776 rte_eth_dev_get_port_by_name(const char *name, uint16_t *port_id)
 777 {
 778         uint32_t pid;
 779
 780         if (name == NULL) {
 781                 RTE_ETHDEV_LOG(ERR, "Null pointer is specified\n");
 782                 return -EINVAL;
 783         }
 784
 785         for (pid = 0; pid < RTE_MAX_ETHPORTS; pid++) {
 786                 if (rte_eth_devices[pid].state != RTE_ETH_DEV_UNUSED &&
 787                     !strcmp(name, rte_eth_dev_shared_data->data[pid].name)) {
 788                         *port_id = pid;
 789                         return 0;
 790                 }
 791         }
 792
 793         return -ENODEV;
 794 }
 795
 796 static int
 797 eth_err(uint16_t port_id, int ret)
 798 {
 799         if (ret == 0)
 800                 return 0;
 801         if (rte_eth_dev_is_removed(port_id))
 802                 return -EIO;
 803         return ret;
 804 }
 805
 806 static int
 807 rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 808 {
 809         uint16_t old_nb_queues = dev->data->nb_rx_queues;
 810         void **rxq;
 811         unsigned i;
 812
 813         if (dev->data->rx_queues == NULL && nb_queues != 0) { /* first time configuration */
 814                 dev->data->rx_queues = rte_zmalloc("ethdev->rx_queues",
 815                                 sizeof(dev->data->rx_queues[0]) * nb_queues,
 816                                 RTE_CACHE_LINE_SIZE);
 817                 if (dev->data->rx_queues == NULL) {
 818                         dev->data->nb_rx_queues = 0;
 819                         return -(ENOMEM);
 820                 }
 821         } else if (dev->data->rx_queues != NULL && nb_queues != 0) { /* re-configure */
 822                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 823
 824                 rxq = dev->data->rx_queues;
 825
 826                 for (i = nb_queues; i < old_nb_queues; i++)
 827                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 828                 rxq = rte_realloc(rxq, sizeof(rxq[0]) * nb_queues,
 829                                 RTE_CACHE_LINE_SIZE);
 830                 if (rxq == NULL)
 831                         return -(ENOMEM);
 832                 if (nb_queues > old_nb_queues) {
 833                         uint16_t new_qs = nb_queues - old_nb_queues;
 834
 835                         memset(rxq + old_nb_queues, 0,
 836                                 sizeof(rxq[0]) * new_qs);
 837                 }
 838
 839                 dev->data->rx_queues = rxq;
 840
 841         } else if (dev->data->rx_queues != NULL && nb_queues == 0) {
 842                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release, -ENOTSUP);
 843
 844                 rxq = dev->data->rx_queues;
 845
 846                 for (i = nb_queues; i < old_nb_queues; i++)
 847                         (*dev->dev_ops->rx_queue_release)(rxq[i]);
 848
 849                 rte_free(dev->data->rx_queues);
 850                 dev->data->rx_queues = NULL;
 851         }
 852         dev->data->nb_rx_queues = nb_queues;
 853         return 0;
 854 }
 855
 856 int
 857 rte_eth_dev_rx_queue_start(uint16_t port_id, uint16_t rx_queue_id)
 858 {
 859         struct rte_eth_dev *dev;
 860
 861         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 862
 863         dev = &rte_eth_devices[port_id];
 864         if (!dev->data->dev_started) {
 865                 RTE_ETHDEV_LOG(ERR,
 866                         "Port %u must be started before start any queue\n",
 867                         port_id);
 868                 return -EINVAL;
 869         }
 870
 871         if (rx_queue_id >= dev->data->nb_rx_queues) {
 872                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 873                 return -EINVAL;
 874         }
 875
 876         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_start, -ENOTSUP);
 877
 878         if (dev->data->rx_queue_state[rx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 879                 RTE_ETHDEV_LOG(INFO,
 880                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 881                         rx_queue_id, port_id);
 882                 return 0;
 883         }
 884
 885         return eth_err(port_id, dev->dev_ops->rx_queue_start(dev,
 886                                                              rx_queue_id));
 887
 888 }
 889
 890 int
 891 rte_eth_dev_rx_queue_stop(uint16_t port_id, uint16_t rx_queue_id)
 892 {
 893         struct rte_eth_dev *dev;
 894
 895         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 896
 897         dev = &rte_eth_devices[port_id];
 898         if (rx_queue_id >= dev->data->nb_rx_queues) {
 899                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
 900                 return -EINVAL;
 901         }
 902
 903         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_stop, -ENOTSUP);
 904
 905         if (dev->data->rx_queue_state[rx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 906                 RTE_ETHDEV_LOG(INFO,
 907                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 908                         rx_queue_id, port_id);
 909                 return 0;
 910         }
 911
 912         return eth_err(port_id, dev->dev_ops->rx_queue_stop(dev, rx_queue_id));
 913
 914 }
 915
 916 int
 917 rte_eth_dev_tx_queue_start(uint16_t port_id, uint16_t tx_queue_id)
 918 {
 919         struct rte_eth_dev *dev;
 920
 921         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 922
 923         dev = &rte_eth_devices[port_id];
 924         if (!dev->data->dev_started) {
 925                 RTE_ETHDEV_LOG(ERR,
 926                         "Port %u must be started before start any queue\n",
 927                         port_id);
 928                 return -EINVAL;
 929         }
 930
 931         if (tx_queue_id >= dev->data->nb_tx_queues) {
 932                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 933                 return -EINVAL;
 934         }
 935
 936         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_start, -ENOTSUP);
 937
 938         if (dev->data->tx_queue_state[tx_queue_id] != RTE_ETH_QUEUE_STATE_STOPPED) {
 939                 RTE_ETHDEV_LOG(INFO,
 940                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already started\n",
 941                         tx_queue_id, port_id);
 942                 return 0;
 943         }
 944
 945         return eth_err(port_id, dev->dev_ops->tx_queue_start(dev, tx_queue_id));
 946 }
 947
 948 int
 949 rte_eth_dev_tx_queue_stop(uint16_t port_id, uint16_t tx_queue_id)
 950 {
 951         struct rte_eth_dev *dev;
 952
 953         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
 954
 955         dev = &rte_eth_devices[port_id];
 956         if (tx_queue_id >= dev->data->nb_tx_queues) {
 957                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
 958                 return -EINVAL;
 959         }
 960
 961         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_stop, -ENOTSUP);
 962
 963         if (dev->data->tx_queue_state[tx_queue_id] == RTE_ETH_QUEUE_STATE_STOPPED) {
 964                 RTE_ETHDEV_LOG(INFO,
 965                         "Queue %"PRIu16" of device with port_id=%"PRIu16" already stopped\n",
 966                         tx_queue_id, port_id);
 967                 return 0;
 968         }
 969
 970         return eth_err(port_id, dev->dev_ops->tx_queue_stop(dev, tx_queue_id));
 971
 972 }
 973
 974 static int
 975 rte_eth_dev_tx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
 976 {
 977         uint16_t old_nb_queues = dev->data->nb_tx_queues;
 978         void **txq;
 979         unsigned i;
 980
 981         if (dev->data->tx_queues == NULL && nb_queues != 0) { /* first time configuration */
 982                 dev->data->tx_queues = rte_zmalloc("ethdev->tx_queues",
 983                                                    sizeof(dev->data->tx_queues[0]) * nb_queues,
 984                                                    RTE_CACHE_LINE_SIZE);
 985                 if (dev->data->tx_queues == NULL) {
 986                         dev->data->nb_tx_queues = 0;
 987                         return -(ENOMEM);
 988                 }
 989         } else if (dev->data->tx_queues != NULL && nb_queues != 0) { /* re-configure */
 990                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
 991
 992                 txq = dev->data->tx_queues;
 993
 994                 for (i = nb_queues; i < old_nb_queues; i++)
 995                         (*dev->dev_ops->tx_queue_release)(txq[i]);
 996                 txq = rte_realloc(txq, sizeof(txq[0]) * nb_queues,
 997                                   RTE_CACHE_LINE_SIZE);
 998                 if (txq == NULL)
 999                         return -ENOMEM;
1000                 if (nb_queues > old_nb_queues) {
1001                         uint16_t new_qs = nb_queues - old_nb_queues;
1002
1003                         memset(txq + old_nb_queues, 0,
1004                                sizeof(txq[0]) * new_qs);
1005                 }
1006
1007                 dev->data->tx_queues = txq;
1008
1009         } else if (dev->data->tx_queues != NULL && nb_queues == 0) {
1010                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release, -ENOTSUP);
1011
1012                 txq = dev->data->tx_queues;
1013
1014                 for (i = nb_queues; i < old_nb_queues; i++)
1015                         (*dev->dev_ops->tx_queue_release)(txq[i]);
1016
1017                 rte_free(dev->data->tx_queues);
1018                 dev->data->tx_queues = NULL;
1019         }
1020         dev->data->nb_tx_queues = nb_queues;
1021         return 0;
1022 }
1023
1024 uint32_t
1025 rte_eth_speed_bitflag(uint32_t speed, int duplex)
1026 {
1027         switch (speed) {
1028         case ETH_SPEED_NUM_10M:
1029                 return duplex ? ETH_LINK_SPEED_10M : ETH_LINK_SPEED_10M_HD;
1030         case ETH_SPEED_NUM_100M:
1031                 return duplex ? ETH_LINK_SPEED_100M : ETH_LINK_SPEED_100M_HD;
1032         case ETH_SPEED_NUM_1G:
1033                 return ETH_LINK_SPEED_1G;
1034         case ETH_SPEED_NUM_2_5G:
1035                 return ETH_LINK_SPEED_2_5G;
1036         case ETH_SPEED_NUM_5G:
1037                 return ETH_LINK_SPEED_5G;
1038         case ETH_SPEED_NUM_10G:
1039                 return ETH_LINK_SPEED_10G;
1040         case ETH_SPEED_NUM_20G:
1041                 return ETH_LINK_SPEED_20G;
1042         case ETH_SPEED_NUM_25G:
1043                 return ETH_LINK_SPEED_25G;
1044         case ETH_SPEED_NUM_40G:
1045                 return ETH_LINK_SPEED_40G;
1046         case ETH_SPEED_NUM_50G:
1047                 return ETH_LINK_SPEED_50G;
1048         case ETH_SPEED_NUM_56G:
1049                 return ETH_LINK_SPEED_56G;
1050         case ETH_SPEED_NUM_100G:
1051                 return ETH_LINK_SPEED_100G;
1052         default:
1053                 return 0;
1054         }
1055 }
1056
1057 const char *
1058 rte_eth_dev_rx_offload_name(uint64_t offload)
1059 {
1060         const char *name = "UNKNOWN";
1061         unsigned int i;
1062
1063         for (i = 0; i < RTE_DIM(rte_rx_offload_names); ++i) {
1064                 if (offload == rte_rx_offload_names[i].offload) {
1065                         name = rte_rx_offload_names[i].name;
1066                         break;
1067                 }
1068         }
1069
1070         return name;
1071 }
1072
1073 const char *
1074 rte_eth_dev_tx_offload_name(uint64_t offload)
1075 {
1076         const char *name = "UNKNOWN";
1077         unsigned int i;
1078
1079         for (i = 0; i < RTE_DIM(rte_tx_offload_names); ++i) {
1080                 if (offload == rte_tx_offload_names[i].offload) {
1081                         name = rte_tx_offload_names[i].name;
1082                         break;
1083                 }
1084         }
1085
1086         return name;
1087 }
1088
1089 int
1090 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
1091                       const struct rte_eth_conf *dev_conf)
1092 {
1093         struct rte_eth_dev *dev;
1094         struct rte_eth_dev_info dev_info;
1095         struct rte_eth_conf orig_conf;
1096         int diag;
1097         int ret;
1098
1099         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1100
1101         dev = &rte_eth_devices[port_id];
1102
1103         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1104         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
1105
1106         if (dev->data->dev_started) {
1107                 RTE_ETHDEV_LOG(ERR,
1108                         "Port %u must be stopped to allow configuration\n",
1109                         port_id);
1110                 return -EBUSY;
1111         }
1112
1113          /* Store original config, as rollback required on failure */
1114         memcpy(&orig_conf, &dev->data->dev_conf, sizeof(dev->data->dev_conf));
1115
1116         /*
1117          * Copy the dev_conf parameter into the dev structure.
1118          * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
1119          */
1120         memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
1121
1122         rte_eth_dev_info_get(port_id, &dev_info);
1123
1124         /* If number of queues specified by application for both Rx and Tx is
1125          * zero, use driver preferred values. This cannot be done individually
1126          * as it is valid for either Tx or Rx (but not both) to be zero.
1127          * If driver does not provide any preferred valued, fall back on
1128          * EAL defaults.
1129          */
1130         if (nb_rx_q == 0 && nb_tx_q == 0) {
1131                 nb_rx_q = dev_info.default_rxportconf.nb_queues;
1132                 if (nb_rx_q == 0)
1133                         nb_rx_q = RTE_ETH_DEV_FALLBACK_RX_NBQUEUES;
1134                 nb_tx_q = dev_info.default_txportconf.nb_queues;
1135                 if (nb_tx_q == 0)
1136                         nb_tx_q = RTE_ETH_DEV_FALLBACK_TX_NBQUEUES;
1137         }
1138
1139         if (nb_rx_q > RTE_MAX_QUEUES_PER_PORT) {
1140                 RTE_ETHDEV_LOG(ERR,
1141                         "Number of RX queues requested (%u) is greater than max supported(%d)\n",
1142                         nb_rx_q, RTE_MAX_QUEUES_PER_PORT);
1143                 ret = -EINVAL;
1144                 goto rollback;
1145         }
1146
1147         if (nb_tx_q > RTE_MAX_QUEUES_PER_PORT) {
1148                 RTE_ETHDEV_LOG(ERR,
1149                         "Number of TX queues requested (%u) is greater than max supported(%d)\n",
1150                         nb_tx_q, RTE_MAX_QUEUES_PER_PORT);
1151                 ret = -EINVAL;
1152                 goto rollback;
1153         }
1154
1155         /*
1156          * Check that the numbers of RX and TX queues are not greater
1157          * than the maximum number of RX and TX queues supported by the
1158          * configured device.
1159          */
1160         if (nb_rx_q > dev_info.max_rx_queues) {
1161                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_rx_queues=%u > %u\n",
1162                         port_id, nb_rx_q, dev_info.max_rx_queues);
1163                 ret = -EINVAL;
1164                 goto rollback;
1165         }
1166
1167         if (nb_tx_q > dev_info.max_tx_queues) {
1168                 RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%u nb_tx_queues=%u > %u\n",
1169                         port_id, nb_tx_q, dev_info.max_tx_queues);
1170                 ret = -EINVAL;
1171                 goto rollback;
1172         }
1173
1174         /* Check that the device supports requested interrupts */
1175         if ((dev_conf->intr_conf.lsc == 1) &&
1176                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC))) {
1177                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support lsc\n",
1178                         dev->device->driver->name);
1179                 ret = -EINVAL;
1180                 goto rollback;
1181         }
1182         if ((dev_conf->intr_conf.rmv == 1) &&
1183                         (!(dev->data->dev_flags & RTE_ETH_DEV_INTR_RMV))) {
1184                 RTE_ETHDEV_LOG(ERR, "Driver %s does not support rmv\n",
1185                         dev->device->driver->name);
1186                 ret = -EINVAL;
1187                 goto rollback;
1188         }
1189
1190         /*
1191          * If jumbo frames are enabled, check that the maximum RX packet
1192          * length is supported by the configured device.
1193          */
1194         if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1195                 if (dev_conf->rxmode.max_rx_pkt_len > dev_info.max_rx_pktlen) {
1196                         RTE_ETHDEV_LOG(ERR,
1197                                 "Ethdev port_id=%u max_rx_pkt_len %u > max valid value %u\n",
1198                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1199                                 dev_info.max_rx_pktlen);
1200                         ret = -EINVAL;
1201                         goto rollback;
1202                 } else if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN) {
1203                         RTE_ETHDEV_LOG(ERR,
1204                                 "Ethdev port_id=%u max_rx_pkt_len %u < min valid value %u\n",
1205                                 port_id, dev_conf->rxmode.max_rx_pkt_len,
1206                                 (unsigned)ETHER_MIN_LEN);
1207                         ret = -EINVAL;
1208                         goto rollback;
1209                 }
1210         } else {
1211                 if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN ||
1212                         dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN)
1213                         /* Use default value */
1214                         dev->data->dev_conf.rxmode.max_rx_pkt_len =
1215                                                         ETHER_MAX_LEN;
1216         }
1217
1218         /* Any requested offloading must be within its device capabilities */
1219         if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
1220              dev_conf->rxmode.offloads) {
1221                 RTE_ETHDEV_LOG(ERR,
1222                         "Ethdev port_id=%u requested Rx offloads 0x%"PRIx64" doesn't match Rx offloads "
1223                         "capabilities 0x%"PRIx64" in %s()\n",
1224                         port_id, dev_conf->rxmode.offloads,
1225                         dev_info.rx_offload_capa,
1226                         __func__);
1227                 ret = -EINVAL;
1228                 goto rollback;
1229         }
1230         if ((dev_conf->txmode.offloads & dev_info.tx_offload_capa) !=
1231              dev_conf->txmode.offloads) {
1232                 RTE_ETHDEV_LOG(ERR,
1233                         "Ethdev port_id=%u requested Tx offloads 0x%"PRIx64" doesn't match Tx offloads "
1234                         "capabilities 0x%"PRIx64" in %s()\n",
1235                         port_id, dev_conf->txmode.offloads,
1236                         dev_info.tx_offload_capa,
1237                         __func__);
1238                 ret = -EINVAL;
1239                 goto rollback;
1240         }
1241
1242         /* Check that device supports requested rss hash functions. */
1243         if ((dev_info.flow_type_rss_offloads |
1244              dev_conf->rx_adv_conf.rss_conf.rss_hf) !=
1245             dev_info.flow_type_rss_offloads) {
1246                 RTE_ETHDEV_LOG(ERR,
1247                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
1248                         port_id, dev_conf->rx_adv_conf.rss_conf.rss_hf,
1249                         dev_info.flow_type_rss_offloads);
1250                 ret = -EINVAL;
1251                 goto rollback;
1252         }
1253
1254         /*
1255          * Setup new number of RX/TX queues and reconfigure device.
1256          */
1257         diag = rte_eth_dev_rx_queue_config(dev, nb_rx_q);
1258         if (diag != 0) {
1259                 RTE_ETHDEV_LOG(ERR,
1260                         "Port%u rte_eth_dev_rx_queue_config = %d\n",
1261                         port_id, diag);
1262                 ret = diag;
1263                 goto rollback;
1264         }
1265
1266         diag = rte_eth_dev_tx_queue_config(dev, nb_tx_q);
1267         if (diag != 0) {
1268                 RTE_ETHDEV_LOG(ERR,
1269                         "Port%u rte_eth_dev_tx_queue_config = %d\n",
1270                         port_id, diag);
1271                 rte_eth_dev_rx_queue_config(dev, 0);
1272                 ret = diag;
1273                 goto rollback;
1274         }
1275
1276         diag = (*dev->dev_ops->dev_configure)(dev);
1277         if (diag != 0) {
1278                 RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
1279                         port_id, diag);
1280                 rte_eth_dev_rx_queue_config(dev, 0);
1281                 rte_eth_dev_tx_queue_config(dev, 0);
1282                 ret = eth_err(port_id, diag);
1283                 goto rollback;
1284         }
1285
1286         /* Initialize Rx profiling if enabled at compilation time. */
1287         diag = __rte_eth_dev_profile_init(port_id, dev);
1288         if (diag != 0) {
1289                 RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
1290                         port_id, diag);
1291                 rte_eth_dev_rx_queue_config(dev, 0);
1292                 rte_eth_dev_tx_queue_config(dev, 0);
1293                 ret = eth_err(port_id, diag);
1294                 goto rollback;
1295         }
1296
1297         return 0;
1298
1299 rollback:
1300         memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
1301
1302         return ret;
1303 }
1304
1305 void
1306 _rte_eth_dev_reset(struct rte_eth_dev *dev)
1307 {
1308         if (dev->data->dev_started) {
1309                 RTE_ETHDEV_LOG(ERR, "Port %u must be stopped to allow reset\n",
1310                         dev->data->port_id);
1311                 return;
1312         }
1313
1314         rte_eth_dev_rx_queue_config(dev, 0);
1315         rte_eth_dev_tx_queue_config(dev, 0);
1316
1317         memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
1318 }
1319
1320 static void
1321 rte_eth_dev_mac_restore(struct rte_eth_dev *dev,
1322                         struct rte_eth_dev_info *dev_info)
1323 {
1324         struct ether_addr *addr;
1325         uint16_t i;
1326         uint32_t pool = 0;
1327         uint64_t pool_mask;
1328
1329         /* replay MAC address configuration including default MAC */
1330         addr = &dev->data->mac_addrs[0];
1331         if (*dev->dev_ops->mac_addr_set != NULL)
1332                 (*dev->dev_ops->mac_addr_set)(dev, addr);
1333         else if (*dev->dev_ops->mac_addr_add != NULL)
1334                 (*dev->dev_ops->mac_addr_add)(dev, addr, 0, pool);
1335
1336         if (*dev->dev_ops->mac_addr_add != NULL) {
1337                 for (i = 1; i < dev_info->max_mac_addrs; i++) {
1338                         addr = &dev->data->mac_addrs[i];
1339
1340                         /* skip zero address */
1341                         if (is_zero_ether_addr(addr))
1342                                 continue;
1343
1344                         pool = 0;
1345                         pool_mask = dev->data->mac_pool_sel[i];
1346
1347                         do {
1348                                 if (pool_mask & 1ULL)
1349                                         (*dev->dev_ops->mac_addr_add)(dev,
1350                                                 addr, i, pool);
1351                                 pool_mask >>= 1;
1352                                 pool++;
1353                         } while (pool_mask);
1354                 }
1355         }
1356 }
1357
1358 static void
1359 rte_eth_dev_config_restore(struct rte_eth_dev *dev,
1360                            struct rte_eth_dev_info *dev_info, uint16_t port_id)
1361 {
1362         if (!(*dev_info->dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR))
1363                 rte_eth_dev_mac_restore(dev, dev_info);
1364
1365         /* replay promiscuous configuration */
1366         if (rte_eth_promiscuous_get(port_id) == 1)
1367                 rte_eth_promiscuous_enable(port_id);
1368         else if (rte_eth_promiscuous_get(port_id) == 0)
1369                 rte_eth_promiscuous_disable(port_id);
1370
1371         /* replay all multicast configuration */
1372         if (rte_eth_allmulticast_get(port_id) == 1)
1373                 rte_eth_allmulticast_enable(port_id);
1374         else if (rte_eth_allmulticast_get(port_id) == 0)
1375                 rte_eth_allmulticast_disable(port_id);
1376 }
1377
1378 int
1379 rte_eth_dev_start(uint16_t port_id)
1380 {
1381         struct rte_eth_dev *dev;
1382         struct rte_eth_dev_info dev_info;
1383         int diag;
1384
1385         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1386
1387         dev = &rte_eth_devices[port_id];
1388
1389         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
1390
1391         if (dev->data->dev_started != 0) {
1392                 RTE_ETHDEV_LOG(INFO,
1393                         "Device with port_id=%"PRIu16" already started\n",
1394                         port_id);
1395                 return 0;
1396         }
1397
1398         rte_eth_dev_info_get(port_id, &dev_info);
1399
1400         /* Lets restore MAC now if device does not support live change */
1401         if (*dev_info.dev_flags & RTE_ETH_DEV_NOLIVE_MAC_ADDR)
1402                 rte_eth_dev_mac_restore(dev, &dev_info);
1403
1404         diag = (*dev->dev_ops->dev_start)(dev);
1405         if (diag == 0)
1406                 dev->data->dev_started = 1;
1407         else
1408                 return eth_err(port_id, diag);
1409
1410         rte_eth_dev_config_restore(dev, &dev_info, port_id);
1411
1412         if (dev->data->dev_conf.intr_conf.lsc == 0) {
1413                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
1414                 (*dev->dev_ops->link_update)(dev, 0);
1415         }
1416         return 0;
1417 }
1418
1419 void
1420 rte_eth_dev_stop(uint16_t port_id)
1421 {
1422         struct rte_eth_dev *dev;
1423
1424         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1425         dev = &rte_eth_devices[port_id];
1426
1427         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
1428
1429         if (dev->data->dev_started == 0) {
1430                 RTE_ETHDEV_LOG(INFO,
1431                         "Device with port_id=%"PRIu16" already stopped\n",
1432                         port_id);
1433                 return;
1434         }
1435
1436         dev->data->dev_started = 0;
1437         (*dev->dev_ops->dev_stop)(dev);
1438 }
1439
1440 int
1441 rte_eth_dev_set_link_up(uint16_t port_id)
1442 {
1443         struct rte_eth_dev *dev;
1444
1445         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1446
1447         dev = &rte_eth_devices[port_id];
1448
1449         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_up, -ENOTSUP);
1450         return eth_err(port_id, (*dev->dev_ops->dev_set_link_up)(dev));
1451 }
1452
1453 int
1454 rte_eth_dev_set_link_down(uint16_t port_id)
1455 {
1456         struct rte_eth_dev *dev;
1457
1458         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1459
1460         dev = &rte_eth_devices[port_id];
1461
1462         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_set_link_down, -ENOTSUP);
1463         return eth_err(port_id, (*dev->dev_ops->dev_set_link_down)(dev));
1464 }
1465
1466 void
1467 rte_eth_dev_close(uint16_t port_id)
1468 {
1469         struct rte_eth_dev *dev;
1470
1471         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1472         dev = &rte_eth_devices[port_id];
1473
1474         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_close);
1475         dev->data->dev_started = 0;
1476         (*dev->dev_ops->dev_close)(dev);
1477
1478         /* check behaviour flag - temporary for PMD migration */
1479         if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
1480                 /* new behaviour: send event + reset state + free all data */
1481                 rte_eth_dev_release_port(dev);
1482                 return;
1483         }
1484         RTE_ETHDEV_LOG(DEBUG, "Port closing is using an old behaviour.\n"
1485                         "The driver %s should migrate to the new behaviour.\n",
1486                         dev->device->driver->name);
1487         /* old behaviour: only free queue arrays */
1488         dev->data->nb_rx_queues = 0;
1489         rte_free(dev->data->rx_queues);
1490         dev->data->rx_queues = NULL;
1491         dev->data->nb_tx_queues = 0;
1492         rte_free(dev->data->tx_queues);
1493         dev->data->tx_queues = NULL;
1494 }
1495
1496 int
1497 rte_eth_dev_reset(uint16_t port_id)
1498 {
1499         struct rte_eth_dev *dev;
1500         int ret;
1501
1502         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1503         dev = &rte_eth_devices[port_id];
1504
1505         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
1506
1507         rte_eth_dev_stop(port_id);
1508         ret = dev->dev_ops->dev_reset(dev);
1509
1510         return eth_err(port_id, ret);
1511 }
1512
1513 int __rte_experimental
1514 rte_eth_dev_is_removed(uint16_t port_id)
1515 {
1516         struct rte_eth_dev *dev;
1517         int ret;
1518
1519         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
1520
1521         dev = &rte_eth_devices[port_id];
1522
1523         if (dev->state == RTE_ETH_DEV_REMOVED)
1524                 return 1;
1525
1526         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->is_removed, 0);
1527
1528         ret = dev->dev_ops->is_removed(dev);
1529         if (ret != 0)
1530                 /* Device is physically removed. */
1531                 dev->state = RTE_ETH_DEV_REMOVED;
1532
1533         return ret;
1534 }
1535
1536 int
1537 rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
1538                        uint16_t nb_rx_desc, unsigned int socket_id,
1539                        const struct rte_eth_rxconf *rx_conf,
1540                        struct rte_mempool *mp)
1541 {
1542         int ret;
1543         uint32_t mbp_buf_size;
1544         struct rte_eth_dev *dev;
1545         struct rte_eth_dev_info dev_info;
1546         struct rte_eth_rxconf local_conf;
1547         void **rxq;
1548
1549         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1550
1551         dev = &rte_eth_devices[port_id];
1552         if (rx_queue_id >= dev->data->nb_rx_queues) {
1553                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", rx_queue_id);
1554                 return -EINVAL;
1555         }
1556
1557         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1558         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_setup, -ENOTSUP);
1559
1560         /*
1561          * Check the size of the mbuf data buffer.
1562          * This value must be provided in the private data of the memory pool.
1563          * First check that the memory pool has a valid private data.
1564          */
1565         rte_eth_dev_info_get(port_id, &dev_info);
1566         if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) {
1567                 RTE_ETHDEV_LOG(ERR, "%s private_data_size %d < %d\n",
1568                         mp->name, (int)mp->private_data_size,
1569                         (int)sizeof(struct rte_pktmbuf_pool_private));
1570                 return -ENOSPC;
1571         }
1572         mbp_buf_size = rte_pktmbuf_data_room_size(mp);
1573
1574         if ((mbp_buf_size - RTE_PKTMBUF_HEADROOM) < dev_info.min_rx_bufsize) {
1575                 RTE_ETHDEV_LOG(ERR,
1576                         "%s mbuf_data_room_size %d < %d (RTE_PKTMBUF_HEADROOM=%d + min_rx_bufsize(dev)=%d)\n",
1577                         mp->name, (int)mbp_buf_size,
1578                         (int)(RTE_PKTMBUF_HEADROOM + dev_info.min_rx_bufsize),
1579                         (int)RTE_PKTMBUF_HEADROOM,
1580                         (int)dev_info.min_rx_bufsize);
1581                 return -EINVAL;
1582         }
1583
1584         /* Use default specified by driver, if nb_rx_desc is zero */
1585         if (nb_rx_desc == 0) {
1586                 nb_rx_desc = dev_info.default_rxportconf.ring_size;
1587                 /* If driver default is also zero, fall back on EAL default */
1588                 if (nb_rx_desc == 0)
1589                         nb_rx_desc = RTE_ETH_DEV_FALLBACK_RX_RINGSIZE;
1590         }
1591
1592         if (nb_rx_desc > dev_info.rx_desc_lim.nb_max ||
1593                         nb_rx_desc < dev_info.rx_desc_lim.nb_min ||
1594                         nb_rx_desc % dev_info.rx_desc_lim.nb_align != 0) {
1595
1596                 RTE_ETHDEV_LOG(ERR,
1597                         "Invalid value for nb_rx_desc(=%hu), should be: <= %hu, = %hu, and a product of %hu\n",
1598                         nb_rx_desc, dev_info.rx_desc_lim.nb_max,
1599                         dev_info.rx_desc_lim.nb_min,
1600                         dev_info.rx_desc_lim.nb_align);
1601                 return -EINVAL;
1602         }
1603
1604         if (dev->data->dev_started &&
1605                 !(dev_info.dev_capa &
1606                         RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP))
1607                 return -EBUSY;
1608
1609         if (dev->data->dev_started &&
1610                 (dev->data->rx_queue_state[rx_queue_id] !=
1611                         RTE_ETH_QUEUE_STATE_STOPPED))
1612                 return -EBUSY;
1613
1614         rxq = dev->data->rx_queues;
1615         if (rxq[rx_queue_id]) {
1616                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_release,
1617                                         -ENOTSUP);
1618                 (*dev->dev_ops->rx_queue_release)(rxq[rx_queue_id]);
1619                 rxq[rx_queue_id] = NULL;
1620         }
1621
1622         if (rx_conf == NULL)
1623                 rx_conf = &dev_info.default_rxconf;
1624
1625         local_conf = *rx_conf;
1626
1627         /*
1628          * If an offloading has already been enabled in
1629          * rte_eth_dev_configure(), it has been enabled on all queues,
1630          * so there is no need to enable it in this queue again.
1631          * The local_conf.offloads input to underlying PMD only carries
1632          * those offloadings which are only enabled on this queue and
1633          * not enabled on all queues.
1634          */
1635         local_conf.offloads &= ~dev->data->dev_conf.rxmode.offloads;
1636
1637         /*
1638          * New added offloadings for this queue are those not enabled in
1639          * rte_eth_dev_configure() and they must be per-queue type.
1640          * A pure per-port offloading can't be enabled on a queue while
1641          * disabled on another queue. A pure per-port offloading can't
1642          * be enabled for any queue as new added one if it hasn't been
1643          * enabled in rte_eth_dev_configure().
1644          */
1645         if ((local_conf.offloads & dev_info.rx_queue_offload_capa) !=
1646              local_conf.offloads) {
1647                 RTE_ETHDEV_LOG(ERR,
1648                         "Ethdev port_id=%d rx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1649                         "within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
1650                         port_id, rx_queue_id, local_conf.offloads,
1651                         dev_info.rx_queue_offload_capa,
1652                         __func__);
1653                 return -EINVAL;
1654         }
1655
1656         ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
1657                                               socket_id, &local_conf, mp);
1658         if (!ret) {
1659                 if (!dev->data->min_rx_buf_size ||
1660                     dev->data->min_rx_buf_size > mbp_buf_size)
1661                         dev->data->min_rx_buf_size = mbp_buf_size;
1662         }
1663
1664         return eth_err(port_id, ret);
1665 }
1666
1667 int
1668 rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
1669                        uint16_t nb_tx_desc, unsigned int socket_id,
1670                        const struct rte_eth_txconf *tx_conf)
1671 {
1672         struct rte_eth_dev *dev;
1673         struct rte_eth_dev_info dev_info;
1674         struct rte_eth_txconf local_conf;
1675         void **txq;
1676
1677         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1678
1679         dev = &rte_eth_devices[port_id];
1680         if (tx_queue_id >= dev->data->nb_tx_queues) {
1681                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", tx_queue_id);
1682                 return -EINVAL;
1683         }
1684
1685         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
1686         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_setup, -ENOTSUP);
1687
1688         rte_eth_dev_info_get(port_id, &dev_info);
1689
1690         /* Use default specified by driver, if nb_tx_desc is zero */
1691         if (nb_tx_desc == 0) {
1692                 nb_tx_desc = dev_info.default_txportconf.ring_size;
1693                 /* If driver default is zero, fall back on EAL default */
1694                 if (nb_tx_desc == 0)
1695                         nb_tx_desc = RTE_ETH_DEV_FALLBACK_TX_RINGSIZE;
1696         }
1697         if (nb_tx_desc > dev_info.tx_desc_lim.nb_max ||
1698             nb_tx_desc < dev_info.tx_desc_lim.nb_min ||
1699             nb_tx_desc % dev_info.tx_desc_lim.nb_align != 0) {
1700                 RTE_ETHDEV_LOG(ERR,
1701                         "Invalid value for nb_tx_desc(=%hu), should be: <= %hu, = %hu, and a product of %hu\n",
1702                         nb_tx_desc, dev_info.tx_desc_lim.nb_max,
1703                         dev_info.tx_desc_lim.nb_min,
1704                         dev_info.tx_desc_lim.nb_align);
1705                 return -EINVAL;
1706         }
1707
1708         if (dev->data->dev_started &&
1709                 !(dev_info.dev_capa &
1710                         RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP))
1711                 return -EBUSY;
1712
1713         if (dev->data->dev_started &&
1714                 (dev->data->tx_queue_state[tx_queue_id] !=
1715                         RTE_ETH_QUEUE_STATE_STOPPED))
1716                 return -EBUSY;
1717
1718         txq = dev->data->tx_queues;
1719         if (txq[tx_queue_id]) {
1720                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_queue_release,
1721                                         -ENOTSUP);
1722                 (*dev->dev_ops->tx_queue_release)(txq[tx_queue_id]);
1723                 txq[tx_queue_id] = NULL;
1724         }
1725
1726         if (tx_conf == NULL)
1727                 tx_conf = &dev_info.default_txconf;
1728
1729         local_conf = *tx_conf;
1730
1731         /*
1732          * If an offloading has already been enabled in
1733          * rte_eth_dev_configure(), it has been enabled on all queues,
1734          * so there is no need to enable it in this queue again.
1735          * The local_conf.offloads input to underlying PMD only carries
1736          * those offloadings which are only enabled on this queue and
1737          * not enabled on all queues.
1738          */
1739         local_conf.offloads &= ~dev->data->dev_conf.txmode.offloads;
1740
1741         /*
1742          * New added offloadings for this queue are those not enabled in
1743          * rte_eth_dev_configure() and they must be per-queue type.
1744          * A pure per-port offloading can't be enabled on a queue while
1745          * disabled on another queue. A pure per-port offloading can't
1746          * be enabled for any queue as new added one if it hasn't been
1747          * enabled in rte_eth_dev_configure().
1748          */
1749         if ((local_conf.offloads & dev_info.tx_queue_offload_capa) !=
1750              local_conf.offloads) {
1751                 RTE_ETHDEV_LOG(ERR,
1752                         "Ethdev port_id=%d tx_queue_id=%d, new added offloads 0x%"PRIx64" must be "
1753                         "within pre-queue offload capabilities 0x%"PRIx64" in %s()\n",
1754                         port_id, tx_queue_id, local_conf.offloads,
1755                         dev_info.tx_queue_offload_capa,
1756                         __func__);
1757                 return -EINVAL;
1758         }
1759
1760         return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
1761                        tx_queue_id, nb_tx_desc, socket_id, &local_conf));
1762 }
1763
1764 void
1765 rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
1766                 void *userdata __rte_unused)
1767 {
1768         unsigned i;
1769
1770         for (i = 0; i < unsent; i++)
1771                 rte_pktmbuf_free(pkts[i]);
1772 }
1773
1774 void
1775 rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
1776                 void *userdata)
1777 {
1778         uint64_t *count = userdata;
1779         unsigned i;
1780
1781         for (i = 0; i < unsent; i++)
1782                 rte_pktmbuf_free(pkts[i]);
1783
1784         *count += unsent;
1785 }
1786
1787 int
1788 rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
1789                 buffer_tx_error_fn cbfn, void *userdata)
1790 {
1791         buffer->error_callback = cbfn;
1792         buffer->error_userdata = userdata;
1793         return 0;
1794 }
1795
1796 int
1797 rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size)
1798 {
1799         int ret = 0;
1800
1801         if (buffer == NULL)
1802                 return -EINVAL;
1803
1804         buffer->size = size;
1805         if (buffer->error_callback == NULL) {
1806                 ret = rte_eth_tx_buffer_set_err_callback(
1807                         buffer, rte_eth_tx_buffer_drop_callback, NULL);
1808         }
1809
1810         return ret;
1811 }
1812
1813 int
1814 rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt)
1815 {
1816         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1817         int ret;
1818
1819         /* Validate Input Data. Bail if not valid or not supported. */
1820         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1821         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_done_cleanup, -ENOTSUP);
1822
1823         /* Call driver to free pending mbufs. */
1824         ret = (*dev->dev_ops->tx_done_cleanup)(dev->data->tx_queues[queue_id],
1825                                                free_cnt);
1826         return eth_err(port_id, ret);
1827 }
1828
1829 void
1830 rte_eth_promiscuous_enable(uint16_t port_id)
1831 {
1832         struct rte_eth_dev *dev;
1833
1834         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1835         dev = &rte_eth_devices[port_id];
1836
1837         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_enable);
1838         (*dev->dev_ops->promiscuous_enable)(dev);
1839         dev->data->promiscuous = 1;
1840 }
1841
1842 void
1843 rte_eth_promiscuous_disable(uint16_t port_id)
1844 {
1845         struct rte_eth_dev *dev;
1846
1847         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1848         dev = &rte_eth_devices[port_id];
1849
1850         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->promiscuous_disable);
1851         dev->data->promiscuous = 0;
1852         (*dev->dev_ops->promiscuous_disable)(dev);
1853 }
1854
1855 int
1856 rte_eth_promiscuous_get(uint16_t port_id)
1857 {
1858         struct rte_eth_dev *dev;
1859
1860         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1861
1862         dev = &rte_eth_devices[port_id];
1863         return dev->data->promiscuous;
1864 }
1865
1866 void
1867 rte_eth_allmulticast_enable(uint16_t port_id)
1868 {
1869         struct rte_eth_dev *dev;
1870
1871         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1872         dev = &rte_eth_devices[port_id];
1873
1874         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_enable);
1875         (*dev->dev_ops->allmulticast_enable)(dev);
1876         dev->data->all_multicast = 1;
1877 }
1878
1879 void
1880 rte_eth_allmulticast_disable(uint16_t port_id)
1881 {
1882         struct rte_eth_dev *dev;
1883
1884         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1885         dev = &rte_eth_devices[port_id];
1886
1887         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->allmulticast_disable);
1888         dev->data->all_multicast = 0;
1889         (*dev->dev_ops->allmulticast_disable)(dev);
1890 }
1891
1892 int
1893 rte_eth_allmulticast_get(uint16_t port_id)
1894 {
1895         struct rte_eth_dev *dev;
1896
1897         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1898
1899         dev = &rte_eth_devices[port_id];
1900         return dev->data->all_multicast;
1901 }
1902
1903 void
1904 rte_eth_link_get(uint16_t port_id, struct rte_eth_link *eth_link)
1905 {
1906         struct rte_eth_dev *dev;
1907
1908         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1909         dev = &rte_eth_devices[port_id];
1910
1911         if (dev->data->dev_conf.intr_conf.lsc &&
1912             dev->data->dev_started)
1913                 rte_eth_linkstatus_get(dev, eth_link);
1914         else {
1915                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1916                 (*dev->dev_ops->link_update)(dev, 1);
1917                 *eth_link = dev->data->dev_link;
1918         }
1919 }
1920
1921 void
1922 rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *eth_link)
1923 {
1924         struct rte_eth_dev *dev;
1925
1926         RTE_ETH_VALID_PORTID_OR_RET(port_id);
1927         dev = &rte_eth_devices[port_id];
1928
1929         if (dev->data->dev_conf.intr_conf.lsc &&
1930             dev->data->dev_started)
1931                 rte_eth_linkstatus_get(dev, eth_link);
1932         else {
1933                 RTE_FUNC_PTR_OR_RET(*dev->dev_ops->link_update);
1934                 (*dev->dev_ops->link_update)(dev, 0);
1935                 *eth_link = dev->data->dev_link;
1936         }
1937 }
1938
1939 int
1940 rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats)
1941 {
1942         struct rte_eth_dev *dev;
1943
1944         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1945
1946         dev = &rte_eth_devices[port_id];
1947         memset(stats, 0, sizeof(*stats));
1948
1949         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
1950         stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
1951         return eth_err(port_id, (*dev->dev_ops->stats_get)(dev, stats));
1952 }
1953
1954 int
1955 rte_eth_stats_reset(uint16_t port_id)
1956 {
1957         struct rte_eth_dev *dev;
1958
1959         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
1960         dev = &rte_eth_devices[port_id];
1961
1962         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
1963         (*dev->dev_ops->stats_reset)(dev);
1964         dev->data->rx_mbuf_alloc_failed = 0;
1965
1966         return 0;
1967 }
1968
1969 static inline int
1970 get_xstats_basic_count(struct rte_eth_dev *dev)
1971 {
1972         uint16_t nb_rxqs, nb_txqs;
1973         int count;
1974
1975         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1976         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
1977
1978         count = RTE_NB_STATS;
1979         count += nb_rxqs * RTE_NB_RXQ_STATS;
1980         count += nb_txqs * RTE_NB_TXQ_STATS;
1981
1982         return count;
1983 }
1984
1985 static int
1986 get_xstats_count(uint16_t port_id)
1987 {
1988         struct rte_eth_dev *dev;
1989         int count;
1990
1991         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
1992         dev = &rte_eth_devices[port_id];
1993         if (dev->dev_ops->xstats_get_names_by_id != NULL) {
1994                 count = (*dev->dev_ops->xstats_get_names_by_id)(dev, NULL,
1995                                 NULL, 0);
1996                 if (count < 0)
1997                         return eth_err(port_id, count);
1998         }
1999         if (dev->dev_ops->xstats_get_names != NULL) {
2000                 count = (*dev->dev_ops->xstats_get_names)(dev, NULL, 0);
2001                 if (count < 0)
2002                         return eth_err(port_id, count);
2003         } else
2004                 count = 0;
2005
2006
2007         count += get_xstats_basic_count(dev);
2008
2009         return count;
2010 }
2011
2012 int
2013 rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
2014                 uint64_t *id)
2015 {
2016         int cnt_xstats, idx_xstat;
2017
2018         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2019
2020         if (!id) {
2021                 RTE_ETHDEV_LOG(ERR, "Id pointer is NULL\n");
2022                 return -ENOMEM;
2023         }
2024
2025         if (!xstat_name) {
2026                 RTE_ETHDEV_LOG(ERR, "xstat_name pointer is NULL\n");
2027                 return -ENOMEM;
2028         }
2029
2030         /* Get count */
2031         cnt_xstats = rte_eth_xstats_get_names_by_id(port_id, NULL, 0, NULL);
2032         if (cnt_xstats  < 0) {
2033                 RTE_ETHDEV_LOG(ERR, "Cannot get count of xstats\n");
2034                 return -ENODEV;
2035         }
2036
2037         /* Get id-name lookup table */
2038         struct rte_eth_xstat_name xstats_names[cnt_xstats];
2039
2040         if (cnt_xstats != rte_eth_xstats_get_names_by_id(
2041                         port_id, xstats_names, cnt_xstats, NULL)) {
2042                 RTE_ETHDEV_LOG(ERR, "Cannot get xstats lookup\n");
2043                 return -1;
2044         }
2045
2046         for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++) {
2047                 if (!strcmp(xstats_names[idx_xstat].name, xstat_name)) {
2048                         *id = idx_xstat;
2049                         return 0;
2050                 };
2051         }
2052
2053         return -EINVAL;
2054 }
2055
2056 /* retrieve basic stats names */
2057 static int
2058 rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
2059         struct rte_eth_xstat_name *xstats_names)
2060 {
2061         int cnt_used_entries = 0;
2062         uint32_t idx, id_queue;
2063         uint16_t num_q;
2064
2065         for (idx = 0; idx < RTE_NB_STATS; idx++) {
2066                 snprintf(xstats_names[cnt_used_entries].name,
2067                         sizeof(xstats_names[0].name),
2068                         "%s", rte_stats_strings[idx].name);
2069                 cnt_used_entries++;
2070         }
2071         num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2072         for (id_queue = 0; id_queue < num_q; id_queue++) {
2073                 for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
2074                         snprintf(xstats_names[cnt_used_entries].name,
2075                                 sizeof(xstats_names[0].name),
2076                                 "rx_q%u%s",
2077                                 id_queue, rte_rxq_stats_strings[idx].name);
2078                         cnt_used_entries++;
2079                 }
2080
2081         }
2082         num_q = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2083         for (id_queue = 0; id_queue < num_q; id_queue++) {
2084                 for (idx = 0; idx < RTE_NB_TXQ_STATS; idx++) {
2085                         snprintf(xstats_names[cnt_used_entries].name,
2086                                 sizeof(xstats_names[0].name),
2087                                 "tx_q%u%s",
2088                                 id_queue, rte_txq_stats_strings[idx].name);
2089                         cnt_used_entries++;
2090                 }
2091         }
2092         return cnt_used_entries;
2093 }
2094
2095 /* retrieve ethdev extended statistics names */
2096 int
2097 rte_eth_xstats_get_names_by_id(uint16_t port_id,
2098         struct rte_eth_xstat_name *xstats_names, unsigned int size,
2099         uint64_t *ids)
2100 {
2101         struct rte_eth_xstat_name *xstats_names_copy;
2102         unsigned int no_basic_stat_requested = 1;
2103         unsigned int no_ext_stat_requested = 1;
2104         unsigned int expected_entries;
2105         unsigned int basic_count;
2106         struct rte_eth_dev *dev;
2107         unsigned int i;
2108         int ret;
2109
2110         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2111         dev = &rte_eth_devices[port_id];
2112
2113         basic_count = get_xstats_basic_count(dev);
2114         ret = get_xstats_count(port_id);
2115         if (ret < 0)
2116                 return ret;
2117         expected_entries = (unsigned int)ret;
2118
2119         /* Return max number of stats if no ids given */
2120         if (!ids) {
2121                 if (!xstats_names)
2122                         return expected_entries;
2123                 else if (xstats_names && size < expected_entries)
2124                         return expected_entries;
2125         }
2126
2127         if (ids && !xstats_names)
2128                 return -EINVAL;
2129
2130         if (ids && dev->dev_ops->xstats_get_names_by_id != NULL && size > 0) {
2131                 uint64_t ids_copy[size];
2132
2133                 for (i = 0; i < size; i++) {
2134                         if (ids[i] < basic_count) {
2135                                 no_basic_stat_requested = 0;
2136                                 break;
2137                         }
2138
2139                         /*
2140                          * Convert ids to xstats ids that PMD knows.
2141                          * ids known by user are basic + extended stats.
2142                          */
2143                         ids_copy[i] = ids[i] - basic_count;
2144                 }
2145
2146                 if (no_basic_stat_requested)
2147                         return (*dev->dev_ops->xstats_get_names_by_id)(dev,
2148                                         xstats_names, ids_copy, size);
2149         }
2150
2151         /* Retrieve all stats */
2152         if (!ids) {
2153                 int num_stats = rte_eth_xstats_get_names(port_id, xstats_names,
2154                                 expected_entries);
2155                 if (num_stats < 0 || num_stats > (int)expected_entries)
2156                         return num_stats;
2157                 else
2158                         return expected_entries;
2159         }
2160
2161         xstats_names_copy = calloc(expected_entries,
2162                 sizeof(struct rte_eth_xstat_name));
2163
2164         if (!xstats_names_copy) {
2165                 RTE_ETHDEV_LOG(ERR, "Can't allocate memory\n");
2166                 return -ENOMEM;
2167         }
2168
2169         if (ids) {
2170                 for (i = 0; i < size; i++) {
2171                         if (ids[i] >= basic_count) {
2172                                 no_ext_stat_requested = 0;
2173                                 break;
2174                         }
2175                 }
2176         }
2177
2178         /* Fill xstats_names_copy structure */
2179         if (ids && no_ext_stat_requested) {
2180                 rte_eth_basic_stats_get_names(dev, xstats_names_copy);
2181         } else {
2182                 ret = rte_eth_xstats_get_names(port_id, xstats_names_copy,
2183                         expected_entries);
2184                 if (ret < 0) {
2185                         free(xstats_names_copy);
2186                         return ret;
2187                 }
2188         }
2189
2190         /* Filter stats */
2191         for (i = 0; i < size; i++) {
2192                 if (ids[i] >= expected_entries) {
2193                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2194                         free(xstats_names_copy);
2195                         return -1;
2196                 }
2197                 xstats_names[i] = xstats_names_copy[ids[i]];
2198         }
2199
2200         free(xstats_names_copy);
2201         return size;
2202 }
2203
2204 int
2205 rte_eth_xstats_get_names(uint16_t port_id,
2206         struct rte_eth_xstat_name *xstats_names,
2207         unsigned int size)
2208 {
2209         struct rte_eth_dev *dev;
2210         int cnt_used_entries;
2211         int cnt_expected_entries;
2212         int cnt_driver_entries;
2213
2214         cnt_expected_entries = get_xstats_count(port_id);
2215         if (xstats_names == NULL || cnt_expected_entries < 0 ||
2216                         (int)size < cnt_expected_entries)
2217                 return cnt_expected_entries;
2218
2219         /* port_id checked in get_xstats_count() */
2220         dev = &rte_eth_devices[port_id];
2221
2222         cnt_used_entries = rte_eth_basic_stats_get_names(
2223                 dev, xstats_names);
2224
2225         if (dev->dev_ops->xstats_get_names != NULL) {
2226                 /* If there are any driver-specific xstats, append them
2227                  * to end of list.
2228                  */
2229                 cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
2230                         dev,
2231                         xstats_names + cnt_used_entries,
2232                         size - cnt_used_entries);
2233                 if (cnt_driver_entries < 0)
2234                         return eth_err(port_id, cnt_driver_entries);
2235                 cnt_used_entries += cnt_driver_entries;
2236         }
2237
2238         return cnt_used_entries;
2239 }
2240
2241
2242 static int
2243 rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
2244 {
2245         struct rte_eth_dev *dev;
2246         struct rte_eth_stats eth_stats;
2247         unsigned int count = 0, i, q;
2248         uint64_t val, *stats_ptr;
2249         uint16_t nb_rxqs, nb_txqs;
2250         int ret;
2251
2252         ret = rte_eth_stats_get(port_id, &eth_stats);
2253         if (ret < 0)
2254                 return ret;
2255
2256         dev = &rte_eth_devices[port_id];
2257
2258         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2259         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2260
2261         /* global stats */
2262         for (i = 0; i < RTE_NB_STATS; i++) {
2263                 stats_ptr = RTE_PTR_ADD(&eth_stats,
2264                                         rte_stats_strings[i].offset);
2265                 val = *stats_ptr;
2266                 xstats[count++].value = val;
2267         }
2268
2269         /* per-rxq stats */
2270         for (q = 0; q < nb_rxqs; q++) {
2271                 for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
2272                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2273                                         rte_rxq_stats_strings[i].offset +
2274                                         q * sizeof(uint64_t));
2275                         val = *stats_ptr;
2276                         xstats[count++].value = val;
2277                 }
2278         }
2279
2280         /* per-txq stats */
2281         for (q = 0; q < nb_txqs; q++) {
2282                 for (i = 0; i < RTE_NB_TXQ_STATS; i++) {
2283                         stats_ptr = RTE_PTR_ADD(&eth_stats,
2284                                         rte_txq_stats_strings[i].offset +
2285                                         q * sizeof(uint64_t));
2286                         val = *stats_ptr;
2287                         xstats[count++].value = val;
2288                 }
2289         }
2290         return count;
2291 }
2292
2293 /* retrieve ethdev extended statistics */
2294 int
2295 rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
2296                          uint64_t *values, unsigned int size)
2297 {
2298         unsigned int no_basic_stat_requested = 1;
2299         unsigned int no_ext_stat_requested = 1;
2300         unsigned int num_xstats_filled;
2301         unsigned int basic_count;
2302         uint16_t expected_entries;
2303         struct rte_eth_dev *dev;
2304         unsigned int i;
2305         int ret;
2306
2307         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2308         ret = get_xstats_count(port_id);
2309         if (ret < 0)
2310                 return ret;
2311         expected_entries = (uint16_t)ret;
2312         struct rte_eth_xstat xstats[expected_entries];
2313         dev = &rte_eth_devices[port_id];
2314         basic_count = get_xstats_basic_count(dev);
2315
2316         /* Return max number of stats if no ids given */
2317         if (!ids) {
2318                 if (!values)
2319                         return expected_entries;
2320                 else if (values && size < expected_entries)
2321                         return expected_entries;
2322         }
2323
2324         if (ids && !values)
2325                 return -EINVAL;
2326
2327         if (ids && dev->dev_ops->xstats_get_by_id != NULL && size) {
2328                 unsigned int basic_count = get_xstats_basic_count(dev);
2329                 uint64_t ids_copy[size];
2330
2331                 for (i = 0; i < size; i++) {
2332                         if (ids[i] < basic_count) {
2333                                 no_basic_stat_requested = 0;
2334                                 break;
2335                         }
2336
2337                         /*
2338                          * Convert ids to xstats ids that PMD knows.
2339                          * ids known by user are basic + extended stats.
2340                          */
2341                         ids_copy[i] = ids[i] - basic_count;
2342                 }
2343
2344                 if (no_basic_stat_requested)
2345                         return (*dev->dev_ops->xstats_get_by_id)(dev, ids_copy,
2346                                         values, size);
2347         }
2348
2349         if (ids) {
2350                 for (i = 0; i < size; i++) {
2351                         if (ids[i] >= basic_count) {
2352                                 no_ext_stat_requested = 0;
2353                                 break;
2354                         }
2355                 }
2356         }
2357
2358         /* Fill the xstats structure */
2359         if (ids && no_ext_stat_requested)
2360                 ret = rte_eth_basic_stats_get(port_id, xstats);
2361         else
2362                 ret = rte_eth_xstats_get(port_id, xstats, expected_entries);
2363
2364         if (ret < 0)
2365                 return ret;
2366         num_xstats_filled = (unsigned int)ret;
2367
2368         /* Return all stats */
2369         if (!ids) {
2370                 for (i = 0; i < num_xstats_filled; i++)
2371                         values[i] = xstats[i].value;
2372                 return expected_entries;
2373         }
2374
2375         /* Filter stats */
2376         for (i = 0; i < size; i++) {
2377                 if (ids[i] >= expected_entries) {
2378                         RTE_ETHDEV_LOG(ERR, "Id value isn't valid\n");
2379                         return -1;
2380                 }
2381                 values[i] = xstats[ids[i]].value;
2382         }
2383         return size;
2384 }
2385
2386 int
2387 rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
2388         unsigned int n)
2389 {
2390         struct rte_eth_dev *dev;
2391         unsigned int count = 0, i;
2392         signed int xcount = 0;
2393         uint16_t nb_rxqs, nb_txqs;
2394         int ret;
2395
2396         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
2397
2398         dev = &rte_eth_devices[port_id];
2399
2400         nb_rxqs = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2401         nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
2402
2403         /* Return generic statistics */
2404         count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
2405                 (nb_txqs * RTE_NB_TXQ_STATS);
2406
2407         /* implemented by the driver */
2408         if (dev->dev_ops->xstats_get != NULL) {
2409                 /* Retrieve the xstats from the driver at the end of the
2410                  * xstats struct.
2411                  */
2412                 xcount = (*dev->dev_ops->xstats_get)(dev,
2413                                      xstats ? xstats + count : NULL,
2414                                      (n > count) ? n - count : 0);
2415
2416                 if (xcount < 0)
2417                         return eth_err(port_id, xcount);
2418         }
2419
2420         if (n < count + xcount || xstats == NULL)
2421                 return count + xcount;
2422
2423         /* now fill the xstats structure */
2424         ret = rte_eth_basic_stats_get(port_id, xstats);
2425         if (ret < 0)
2426                 return ret;
2427         count = ret;
2428
2429         for (i = 0; i < count; i++)
2430                 xstats[i].id = i;
2431         /* add an offset to driver-specific stats */
2432         for ( ; i < count + xcount; i++)
2433                 xstats[i].id += count;
2434
2435         return count + xcount;
2436 }
2437
2438 /* reset ethdev extended statistics */
2439 void
2440 rte_eth_xstats_reset(uint16_t port_id)
2441 {
2442         struct rte_eth_dev *dev;
2443
2444         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2445         dev = &rte_eth_devices[port_id];
2446
2447         /* implemented by the driver */
2448         if (dev->dev_ops->xstats_reset != NULL) {
2449                 (*dev->dev_ops->xstats_reset)(dev);
2450                 return;
2451         }
2452
2453         /* fallback to default */
2454         rte_eth_stats_reset(port_id);
2455 }
2456
2457 static int
2458 set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id, uint8_t stat_idx,
2459                 uint8_t is_rx)
2460 {
2461         struct rte_eth_dev *dev;
2462
2463         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2464
2465         dev = &rte_eth_devices[port_id];
2466
2467         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_stats_mapping_set, -ENOTSUP);
2468
2469         if (is_rx && (queue_id >= dev->data->nb_rx_queues))
2470                 return -EINVAL;
2471
2472         if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
2473                 return -EINVAL;
2474
2475         if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
2476                 return -EINVAL;
2477
2478         return (*dev->dev_ops->queue_stats_mapping_set)
2479                         (dev, queue_id, stat_idx, is_rx);
2480 }
2481
2482
2483 int
2484 rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
2485                 uint8_t stat_idx)
2486 {
2487         return eth_err(port_id, set_queue_stats_mapping(port_id, tx_queue_id,
2488                                                 stat_idx, STAT_QMAP_TX));
2489 }
2490
2491
2492 int
2493 rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
2494                 uint8_t stat_idx)
2495 {
2496         return eth_err(port_id, set_queue_stats_mapping(port_id, rx_queue_id,
2497                                                 stat_idx, STAT_QMAP_RX));
2498 }
2499
2500 int
2501 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
2502 {
2503         struct rte_eth_dev *dev;
2504
2505         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2506         dev = &rte_eth_devices[port_id];
2507
2508         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP);
2509         return eth_err(port_id, (*dev->dev_ops->fw_version_get)(dev,
2510                                                         fw_version, fw_size));
2511 }
2512
2513 void
2514 rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
2515 {
2516         struct rte_eth_dev *dev;
2517         const struct rte_eth_desc_lim lim = {
2518                 .nb_max = UINT16_MAX,
2519                 .nb_min = 0,
2520                 .nb_align = 1,
2521         };
2522
2523         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2524         dev = &rte_eth_devices[port_id];
2525
2526         memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
2527         dev_info->rx_desc_lim = lim;
2528         dev_info->tx_desc_lim = lim;
2529         dev_info->device = dev->device;
2530
2531         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
2532         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
2533         dev_info->driver_name = dev->device->driver->name;
2534         dev_info->nb_rx_queues = dev->data->nb_rx_queues;
2535         dev_info->nb_tx_queues = dev->data->nb_tx_queues;
2536
2537         dev_info->dev_flags = &dev->data->dev_flags;
2538 }
2539
2540 int
2541 rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
2542                                  uint32_t *ptypes, int num)
2543 {
2544         int i, j;
2545         struct rte_eth_dev *dev;
2546         const uint32_t *all_ptypes;
2547
2548         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2549         dev = &rte_eth_devices[port_id];
2550         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_supported_ptypes_get, 0);
2551         all_ptypes = (*dev->dev_ops->dev_supported_ptypes_get)(dev);
2552
2553         if (!all_ptypes)
2554                 return 0;
2555
2556         for (i = 0, j = 0; all_ptypes[i] != RTE_PTYPE_UNKNOWN; ++i)
2557                 if (all_ptypes[i] & ptype_mask) {
2558                         if (j < num)
2559                                 ptypes[j] = all_ptypes[i];
2560                         j++;
2561                 }
2562
2563         return j;
2564 }
2565
2566 void
2567 rte_eth_macaddr_get(uint16_t port_id, struct ether_addr *mac_addr)
2568 {
2569         struct rte_eth_dev *dev;
2570
2571         RTE_ETH_VALID_PORTID_OR_RET(port_id);
2572         dev = &rte_eth_devices[port_id];
2573         ether_addr_copy(&dev->data->mac_addrs[0], mac_addr);
2574 }
2575
2576
2577 int
2578 rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu)
2579 {
2580         struct rte_eth_dev *dev;
2581
2582         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2583
2584         dev = &rte_eth_devices[port_id];
2585         *mtu = dev->data->mtu;
2586         return 0;
2587 }
2588
2589 int
2590 rte_eth_dev_set_mtu(uint16_t port_id, uint16_t mtu)
2591 {
2592         int ret;
2593         struct rte_eth_dev *dev;
2594
2595         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2596         dev = &rte_eth_devices[port_id];
2597         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mtu_set, -ENOTSUP);
2598
2599         ret = (*dev->dev_ops->mtu_set)(dev, mtu);
2600         if (!ret)
2601                 dev->data->mtu = mtu;
2602
2603         return eth_err(port_id, ret);
2604 }
2605
2606 int
2607 rte_eth_dev_vlan_filter(uint16_t port_id, uint16_t vlan_id, int on)
2608 {
2609         struct rte_eth_dev *dev;
2610         int ret;
2611
2612         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2613         dev = &rte_eth_devices[port_id];
2614         if (!(dev->data->dev_conf.rxmode.offloads &
2615               DEV_RX_OFFLOAD_VLAN_FILTER)) {
2616                 RTE_ETHDEV_LOG(ERR, "Port %u: vlan-filtering disabled\n",
2617                         port_id);
2618                 return -ENOSYS;
2619         }
2620
2621         if (vlan_id > 4095) {
2622                 RTE_ETHDEV_LOG(ERR, "Port_id=%u invalid vlan_id=%u > 4095\n",
2623                         port_id, vlan_id);
2624                 return -EINVAL;
2625         }
2626         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_filter_set, -ENOTSUP);
2627
2628         ret = (*dev->dev_ops->vlan_filter_set)(dev, vlan_id, on);
2629         if (ret == 0) {
2630                 struct rte_vlan_filter_conf *vfc;
2631                 int vidx;
2632                 int vbit;
2633
2634                 vfc = &dev->data->vlan_filter_conf;
2635                 vidx = vlan_id / 64;
2636                 vbit = vlan_id % 64;
2637
2638                 if (on)
2639                         vfc->ids[vidx] |= UINT64_C(1) << vbit;
2640                 else
2641                         vfc->ids[vidx] &= ~(UINT64_C(1) << vbit);
2642         }
2643
2644         return eth_err(port_id, ret);
2645 }
2646
2647 int
2648 rte_eth_dev_set_vlan_strip_on_queue(uint16_t port_id, uint16_t rx_queue_id,
2649                                     int on)
2650 {
2651         struct rte_eth_dev *dev;
2652
2653         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2654         dev = &rte_eth_devices[port_id];
2655         if (rx_queue_id >= dev->data->nb_rx_queues) {
2656                 RTE_ETHDEV_LOG(ERR, "Invalid rx_queue_id=%u\n", rx_queue_id);
2657                 return -EINVAL;
2658         }
2659
2660         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
2661         (*dev->dev_ops->vlan_strip_queue_set)(dev, rx_queue_id, on);
2662
2663         return 0;
2664 }
2665
2666 int
2667 rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
2668                                 enum rte_vlan_type vlan_type,
2669                                 uint16_t tpid)
2670 {
2671         struct rte_eth_dev *dev;
2672
2673         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2674         dev = &rte_eth_devices[port_id];
2675         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_tpid_set, -ENOTSUP);
2676
2677         return eth_err(port_id, (*dev->dev_ops->vlan_tpid_set)(dev, vlan_type,
2678                                                                tpid));
2679 }
2680
2681 int
2682 rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
2683 {
2684         struct rte_eth_dev *dev;
2685         int ret = 0;
2686         int mask = 0;
2687         int cur, org = 0;
2688         uint64_t orig_offloads;
2689
2690         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2691         dev = &rte_eth_devices[port_id];
2692
2693         /* save original values in case of failure */
2694         orig_offloads = dev->data->dev_conf.rxmode.offloads;
2695
2696         /*check which option changed by application*/
2697         cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
2698         org = !!(dev->data->dev_conf.rxmode.offloads &
2699                  DEV_RX_OFFLOAD_VLAN_STRIP);
2700         if (cur != org) {
2701                 if (cur)
2702                         dev->data->dev_conf.rxmode.offloads |=
2703                                 DEV_RX_OFFLOAD_VLAN_STRIP;
2704                 else
2705                         dev->data->dev_conf.rxmode.offloads &=
2706                                 ~DEV_RX_OFFLOAD_VLAN_STRIP;
2707                 mask |= ETH_VLAN_STRIP_MASK;
2708         }
2709
2710         cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
2711         org = !!(dev->data->dev_conf.rxmode.offloads &
2712                  DEV_RX_OFFLOAD_VLAN_FILTER);
2713         if (cur != org) {
2714                 if (cur)
2715                         dev->data->dev_conf.rxmode.offloads |=
2716                                 DEV_RX_OFFLOAD_VLAN_FILTER;
2717                 else
2718                         dev->data->dev_conf.rxmode.offloads &=
2719                                 ~DEV_RX_OFFLOAD_VLAN_FILTER;
2720                 mask |= ETH_VLAN_FILTER_MASK;
2721         }
2722
2723         cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
2724         org = !!(dev->data->dev_conf.rxmode.offloads &
2725                  DEV_RX_OFFLOAD_VLAN_EXTEND);
2726         if (cur != org) {
2727                 if (cur)
2728                         dev->data->dev_conf.rxmode.offloads |=
2729                                 DEV_RX_OFFLOAD_VLAN_EXTEND;
2730                 else
2731                         dev->data->dev_conf.rxmode.offloads &=
2732                                 ~DEV_RX_OFFLOAD_VLAN_EXTEND;
2733                 mask |= ETH_VLAN_EXTEND_MASK;
2734         }
2735
2736         /*no change*/
2737         if (mask == 0)
2738                 return ret;
2739
2740         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
2741         ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
2742         if (ret) {
2743                 /* hit an error restore  original values */
2744                 dev->data->dev_conf.rxmode.offloads = orig_offloads;
2745         }
2746
2747         return eth_err(port_id, ret);
2748 }
2749
2750 int
2751 rte_eth_dev_get_vlan_offload(uint16_t port_id)
2752 {
2753         struct rte_eth_dev *dev;
2754         int ret = 0;
2755
2756         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2757         dev = &rte_eth_devices[port_id];
2758
2759         if (dev->data->dev_conf.rxmode.offloads &
2760             DEV_RX_OFFLOAD_VLAN_STRIP)
2761                 ret |= ETH_VLAN_STRIP_OFFLOAD;
2762
2763         if (dev->data->dev_conf.rxmode.offloads &
2764             DEV_RX_OFFLOAD_VLAN_FILTER)
2765                 ret |= ETH_VLAN_FILTER_OFFLOAD;
2766
2767         if (dev->data->dev_conf.rxmode.offloads &
2768             DEV_RX_OFFLOAD_VLAN_EXTEND)
2769                 ret |= ETH_VLAN_EXTEND_OFFLOAD;
2770
2771         return ret;
2772 }
2773
2774 int
2775 rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on)
2776 {
2777         struct rte_eth_dev *dev;
2778
2779         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2780         dev = &rte_eth_devices[port_id];
2781         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_pvid_set, -ENOTSUP);
2782
2783         return eth_err(port_id, (*dev->dev_ops->vlan_pvid_set)(dev, pvid, on));
2784 }
2785
2786 int
2787 rte_eth_dev_flow_ctrl_get(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2788 {
2789         struct rte_eth_dev *dev;
2790
2791         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2792         dev = &rte_eth_devices[port_id];
2793         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_get, -ENOTSUP);
2794         memset(fc_conf, 0, sizeof(*fc_conf));
2795         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_get)(dev, fc_conf));
2796 }
2797
2798 int
2799 rte_eth_dev_flow_ctrl_set(uint16_t port_id, struct rte_eth_fc_conf *fc_conf)
2800 {
2801         struct rte_eth_dev *dev;
2802
2803         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2804         if ((fc_conf->send_xon != 0) && (fc_conf->send_xon != 1)) {
2805                 RTE_ETHDEV_LOG(ERR, "Invalid send_xon, only 0/1 allowed\n");
2806                 return -EINVAL;
2807         }
2808
2809         dev = &rte_eth_devices[port_id];
2810         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
2811         return eth_err(port_id, (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf));
2812 }
2813
2814 int
2815 rte_eth_dev_priority_flow_ctrl_set(uint16_t port_id,
2816                                    struct rte_eth_pfc_conf *pfc_conf)
2817 {
2818         struct rte_eth_dev *dev;
2819
2820         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2821         if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
2822                 RTE_ETHDEV_LOG(ERR, "Invalid priority, only 0-7 allowed\n");
2823                 return -EINVAL;
2824         }
2825
2826         dev = &rte_eth_devices[port_id];
2827         /* High water, low water validation are device specific */
2828         if  (*dev->dev_ops->priority_flow_ctrl_set)
2829                 return eth_err(port_id, (*dev->dev_ops->priority_flow_ctrl_set)
2830                                         (dev, pfc_conf));
2831         return -ENOTSUP;
2832 }
2833
2834 static int
2835 rte_eth_check_reta_mask(struct rte_eth_rss_reta_entry64 *reta_conf,
2836                         uint16_t reta_size)
2837 {
2838         uint16_t i, num;
2839
2840         if (!reta_conf)
2841                 return -EINVAL;
2842
2843         num = (reta_size + RTE_RETA_GROUP_SIZE - 1) / RTE_RETA_GROUP_SIZE;
2844         for (i = 0; i < num; i++) {
2845                 if (reta_conf[i].mask)
2846                         return 0;
2847         }
2848
2849         return -EINVAL;
2850 }
2851
2852 static int
2853 rte_eth_check_reta_entry(struct rte_eth_rss_reta_entry64 *reta_conf,
2854                          uint16_t reta_size,
2855                          uint16_t max_rxq)
2856 {
2857         uint16_t i, idx, shift;
2858
2859         if (!reta_conf)
2860                 return -EINVAL;
2861
2862         if (max_rxq == 0) {
2863                 RTE_ETHDEV_LOG(ERR, "No receive queue is available\n");
2864                 return -EINVAL;
2865         }
2866
2867         for (i = 0; i < reta_size; i++) {
2868                 idx = i / RTE_RETA_GROUP_SIZE;
2869                 shift = i % RTE_RETA_GROUP_SIZE;
2870                 if ((reta_conf[idx].mask & (1ULL << shift)) &&
2871                         (reta_conf[idx].reta[shift] >= max_rxq)) {
2872                         RTE_ETHDEV_LOG(ERR,
2873                                 "reta_conf[%u]->reta[%u]: %u exceeds the maximum rxq index: %u\n",
2874                                 idx, shift,
2875                                 reta_conf[idx].reta[shift], max_rxq);
2876                         return -EINVAL;
2877                 }
2878         }
2879
2880         return 0;
2881 }
2882
2883 int
2884 rte_eth_dev_rss_reta_update(uint16_t port_id,
2885                             struct rte_eth_rss_reta_entry64 *reta_conf,
2886                             uint16_t reta_size)
2887 {
2888         struct rte_eth_dev *dev;
2889         int ret;
2890
2891         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2892         /* Check mask bits */
2893         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2894         if (ret < 0)
2895                 return ret;
2896
2897         dev = &rte_eth_devices[port_id];
2898
2899         /* Check entry value */
2900         ret = rte_eth_check_reta_entry(reta_conf, reta_size,
2901                                 dev->data->nb_rx_queues);
2902         if (ret < 0)
2903                 return ret;
2904
2905         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
2906         return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
2907                                                              reta_size));
2908 }
2909
2910 int
2911 rte_eth_dev_rss_reta_query(uint16_t port_id,
2912                            struct rte_eth_rss_reta_entry64 *reta_conf,
2913                            uint16_t reta_size)
2914 {
2915         struct rte_eth_dev *dev;
2916         int ret;
2917
2918         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2919
2920         /* Check mask bits */
2921         ret = rte_eth_check_reta_mask(reta_conf, reta_size);
2922         if (ret < 0)
2923                 return ret;
2924
2925         dev = &rte_eth_devices[port_id];
2926         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_query, -ENOTSUP);
2927         return eth_err(port_id, (*dev->dev_ops->reta_query)(dev, reta_conf,
2928                                                             reta_size));
2929 }
2930
2931 int
2932 rte_eth_dev_rss_hash_update(uint16_t port_id,
2933                             struct rte_eth_rss_conf *rss_conf)
2934 {
2935         struct rte_eth_dev *dev;
2936         struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
2937
2938         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2939         dev = &rte_eth_devices[port_id];
2940         rte_eth_dev_info_get(port_id, &dev_info);
2941         if ((dev_info.flow_type_rss_offloads | rss_conf->rss_hf) !=
2942             dev_info.flow_type_rss_offloads) {
2943                 RTE_ETHDEV_LOG(ERR,
2944                         "Ethdev port_id=%u invalid rss_hf: 0x%"PRIx64", valid value: 0x%"PRIx64"\n",
2945                         port_id, rss_conf->rss_hf,
2946                         dev_info.flow_type_rss_offloads);
2947                 return -EINVAL;
2948         }
2949         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
2950         return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
2951                                                                  rss_conf));
2952 }
2953
2954 int
2955 rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
2956                               struct rte_eth_rss_conf *rss_conf)
2957 {
2958         struct rte_eth_dev *dev;
2959
2960         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2961         dev = &rte_eth_devices[port_id];
2962         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
2963         return eth_err(port_id, (*dev->dev_ops->rss_hash_conf_get)(dev,
2964                                                                    rss_conf));
2965 }
2966
2967 int
2968 rte_eth_dev_udp_tunnel_port_add(uint16_t port_id,
2969                                 struct rte_eth_udp_tunnel *udp_tunnel)
2970 {
2971         struct rte_eth_dev *dev;
2972
2973         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2974         if (udp_tunnel == NULL) {
2975                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
2976                 return -EINVAL;
2977         }
2978
2979         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
2980                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
2981                 return -EINVAL;
2982         }
2983
2984         dev = &rte_eth_devices[port_id];
2985         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_add, -ENOTSUP);
2986         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_add)(dev,
2987                                                                 udp_tunnel));
2988 }
2989
2990 int
2991 rte_eth_dev_udp_tunnel_port_delete(uint16_t port_id,
2992                                    struct rte_eth_udp_tunnel *udp_tunnel)
2993 {
2994         struct rte_eth_dev *dev;
2995
2996         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
2997         dev = &rte_eth_devices[port_id];
2998
2999         if (udp_tunnel == NULL) {
3000                 RTE_ETHDEV_LOG(ERR, "Invalid udp_tunnel parameter\n");
3001                 return -EINVAL;
3002         }
3003
3004         if (udp_tunnel->prot_type >= RTE_TUNNEL_TYPE_MAX) {
3005                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
3006                 return -EINVAL;
3007         }
3008
3009         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->udp_tunnel_port_del, -ENOTSUP);
3010         return eth_err(port_id, (*dev->dev_ops->udp_tunnel_port_del)(dev,
3011                                                                 udp_tunnel));
3012 }
3013
3014 int
3015 rte_eth_led_on(uint16_t port_id)
3016 {
3017         struct rte_eth_dev *dev;
3018
3019         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3020         dev = &rte_eth_devices[port_id];
3021         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_on, -ENOTSUP);
3022         return eth_err(port_id, (*dev->dev_ops->dev_led_on)(dev));
3023 }
3024
3025 int
3026 rte_eth_led_off(uint16_t port_id)
3027 {
3028         struct rte_eth_dev *dev;
3029
3030         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3031         dev = &rte_eth_devices[port_id];
3032         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_led_off, -ENOTSUP);
3033         return eth_err(port_id, (*dev->dev_ops->dev_led_off)(dev));
3034 }
3035
3036 /*
3037  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3038  * an empty spot.
3039  */
3040 static int
3041 get_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3042 {
3043         struct rte_eth_dev_info dev_info;
3044         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3045         unsigned i;
3046
3047         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3048         rte_eth_dev_info_get(port_id, &dev_info);
3049
3050         for (i = 0; i < dev_info.max_mac_addrs; i++)
3051                 if (memcmp(addr, &dev->data->mac_addrs[i], ETHER_ADDR_LEN) == 0)
3052                         return i;
3053
3054         return -1;
3055 }
3056
3057 static const struct ether_addr null_mac_addr;
3058
3059 int
3060 rte_eth_dev_mac_addr_add(uint16_t port_id, struct ether_addr *addr,
3061                         uint32_t pool)
3062 {
3063         struct rte_eth_dev *dev;
3064         int index;
3065         uint64_t pool_mask;
3066         int ret;
3067
3068         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3069         dev = &rte_eth_devices[port_id];
3070         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_add, -ENOTSUP);
3071
3072         if (is_zero_ether_addr(addr)) {
3073                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3074                         port_id);
3075                 return -EINVAL;
3076         }
3077         if (pool >= ETH_64_POOLS) {
3078                 RTE_ETHDEV_LOG(ERR, "Pool id must be 0-%d\n", ETH_64_POOLS - 1);
3079                 return -EINVAL;
3080         }
3081
3082         index = get_mac_addr_index(port_id, addr);
3083         if (index < 0) {
3084                 index = get_mac_addr_index(port_id, &null_mac_addr);
3085                 if (index < 0) {
3086                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3087                                 port_id);
3088                         return -ENOSPC;
3089                 }
3090         } else {
3091                 pool_mask = dev->data->mac_pool_sel[index];
3092
3093                 /* Check if both MAC address and pool is already there, and do nothing */
3094                 if (pool_mask & (1ULL << pool))
3095                         return 0;
3096         }
3097
3098         /* Update NIC */
3099         ret = (*dev->dev_ops->mac_addr_add)(dev, addr, index, pool);
3100
3101         if (ret == 0) {
3102                 /* Update address in NIC data structure */
3103                 ether_addr_copy(addr, &dev->data->mac_addrs[index]);
3104
3105                 /* Update pool bitmap in NIC data structure */
3106                 dev->data->mac_pool_sel[index] |= (1ULL << pool);
3107         }
3108
3109         return eth_err(port_id, ret);
3110 }
3111
3112 int
3113 rte_eth_dev_mac_addr_remove(uint16_t port_id, struct ether_addr *addr)
3114 {
3115         struct rte_eth_dev *dev;
3116         int index;
3117
3118         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3119         dev = &rte_eth_devices[port_id];
3120         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_remove, -ENOTSUP);
3121
3122         index = get_mac_addr_index(port_id, addr);
3123         if (index == 0) {
3124                 RTE_ETHDEV_LOG(ERR,
3125                         "Port %u: Cannot remove default MAC address\n",
3126                         port_id);
3127                 return -EADDRINUSE;
3128         } else if (index < 0)
3129                 return 0;  /* Do nothing if address wasn't found */
3130
3131         /* Update NIC */
3132         (*dev->dev_ops->mac_addr_remove)(dev, index);
3133
3134         /* Update address in NIC data structure */
3135         ether_addr_copy(&null_mac_addr, &dev->data->mac_addrs[index]);
3136
3137         /* reset pool bitmap */
3138         dev->data->mac_pool_sel[index] = 0;
3139
3140         return 0;
3141 }
3142
3143 int
3144 rte_eth_dev_default_mac_addr_set(uint16_t port_id, struct ether_addr *addr)
3145 {
3146         struct rte_eth_dev *dev;
3147         int ret;
3148
3149         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3150
3151         if (!is_valid_assigned_ether_addr(addr))
3152                 return -EINVAL;
3153
3154         dev = &rte_eth_devices[port_id];
3155         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mac_addr_set, -ENOTSUP);
3156
3157         ret = (*dev->dev_ops->mac_addr_set)(dev, addr);
3158         if (ret < 0)
3159                 return ret;
3160
3161         /* Update default address in NIC data structure */
3162         ether_addr_copy(addr, &dev->data->mac_addrs[0]);
3163
3164         return 0;
3165 }
3166
3167
3168 /*
3169  * Returns index into MAC address array of addr. Use 00:00:00:00:00:00 to find
3170  * an empty spot.
3171  */
3172 static int
3173 get_hash_mac_addr_index(uint16_t port_id, const struct ether_addr *addr)
3174 {
3175         struct rte_eth_dev_info dev_info;
3176         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3177         unsigned i;
3178
3179         rte_eth_dev_info_get(port_id, &dev_info);
3180         if (!dev->data->hash_mac_addrs)
3181                 return -1;
3182
3183         for (i = 0; i < dev_info.max_hash_mac_addrs; i++)
3184                 if (memcmp(addr, &dev->data->hash_mac_addrs[i],
3185                         ETHER_ADDR_LEN) == 0)
3186                         return i;
3187
3188         return -1;
3189 }
3190
3191 int
3192 rte_eth_dev_uc_hash_table_set(uint16_t port_id, struct ether_addr *addr,
3193                                 uint8_t on)
3194 {
3195         int index;
3196         int ret;
3197         struct rte_eth_dev *dev;
3198
3199         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3200
3201         dev = &rte_eth_devices[port_id];
3202         if (is_zero_ether_addr(addr)) {
3203                 RTE_ETHDEV_LOG(ERR, "Port %u: Cannot add NULL MAC address\n",
3204                         port_id);
3205                 return -EINVAL;
3206         }
3207
3208         index = get_hash_mac_addr_index(port_id, addr);
3209         /* Check if it's already there, and do nothing */
3210         if ((index >= 0) && on)
3211                 return 0;
3212
3213         if (index < 0) {
3214                 if (!on) {
3215                         RTE_ETHDEV_LOG(ERR,
3216                                 "Port %u: the MAC address was not set in UTA\n",
3217                                 port_id);
3218                         return -EINVAL;
3219                 }
3220
3221                 index = get_hash_mac_addr_index(port_id, &null_mac_addr);
3222                 if (index < 0) {
3223                         RTE_ETHDEV_LOG(ERR, "Port %u: MAC address array full\n",
3224                                 port_id);
3225                         return -ENOSPC;
3226                 }
3227         }
3228
3229         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_hash_table_set, -ENOTSUP);
3230         ret = (*dev->dev_ops->uc_hash_table_set)(dev, addr, on);
3231         if (ret == 0) {
3232                 /* Update address in NIC data structure */
3233                 if (on)
3234                         ether_addr_copy(addr,
3235                                         &dev->data->hash_mac_addrs[index]);
3236                 else
3237                         ether_addr_copy(&null_mac_addr,
3238                                         &dev->data->hash_mac_addrs[index]);
3239         }
3240
3241         return eth_err(port_id, ret);
3242 }
3243
3244 int
3245 rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on)
3246 {
3247         struct rte_eth_dev *dev;
3248
3249         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3250
3251         dev = &rte_eth_devices[port_id];
3252
3253         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->uc_all_hash_table_set, -ENOTSUP);
3254         return eth_err(port_id, (*dev->dev_ops->uc_all_hash_table_set)(dev,
3255                                                                        on));
3256 }
3257
3258 int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
3259                                         uint16_t tx_rate)
3260 {
3261         struct rte_eth_dev *dev;
3262         struct rte_eth_dev_info dev_info;
3263         struct rte_eth_link link;
3264
3265         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3266
3267         dev = &rte_eth_devices[port_id];
3268         rte_eth_dev_info_get(port_id, &dev_info);
3269         link = dev->data->dev_link;
3270
3271         if (queue_idx > dev_info.max_tx_queues) {
3272                 RTE_ETHDEV_LOG(ERR,
3273                         "Set queue rate limit:port %u: invalid queue id=%u\n",
3274                         port_id, queue_idx);
3275                 return -EINVAL;
3276         }
3277
3278         if (tx_rate > link.link_speed) {
3279                 RTE_ETHDEV_LOG(ERR,
3280                         "Set queue rate limit:invalid tx_rate=%u, bigger than link speed= %d\n",
3281                         tx_rate, link.link_speed);
3282                 return -EINVAL;
3283         }
3284
3285         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
3286         return eth_err(port_id, (*dev->dev_ops->set_queue_rate_limit)(dev,
3287                                                         queue_idx, tx_rate));
3288 }
3289
3290 int
3291 rte_eth_mirror_rule_set(uint16_t port_id,
3292                         struct rte_eth_mirror_conf *mirror_conf,
3293                         uint8_t rule_id, uint8_t on)
3294 {
3295         struct rte_eth_dev *dev;
3296
3297         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3298         if (mirror_conf->rule_type == 0) {
3299                 RTE_ETHDEV_LOG(ERR, "Mirror rule type can not be 0\n");
3300                 return -EINVAL;
3301         }
3302
3303         if (mirror_conf->dst_pool >= ETH_64_POOLS) {
3304                 RTE_ETHDEV_LOG(ERR, "Invalid dst pool, pool id must be 0-%d\n",
3305                         ETH_64_POOLS - 1);
3306                 return -EINVAL;
3307         }
3308
3309         if ((mirror_conf->rule_type & (ETH_MIRROR_VIRTUAL_POOL_UP |
3310              ETH_MIRROR_VIRTUAL_POOL_DOWN)) &&
3311             (mirror_conf->pool_mask == 0)) {
3312                 RTE_ETHDEV_LOG(ERR,
3313                         "Invalid mirror pool, pool mask can not be 0\n");
3314                 return -EINVAL;
3315         }
3316
3317         if ((mirror_conf->rule_type & ETH_MIRROR_VLAN) &&
3318             mirror_conf->vlan.vlan_mask == 0) {
3319                 RTE_ETHDEV_LOG(ERR,
3320                         "Invalid vlan mask, vlan mask can not be 0\n");
3321                 return -EINVAL;
3322         }
3323
3324         dev = &rte_eth_devices[port_id];
3325         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_set, -ENOTSUP);
3326
3327         return eth_err(port_id, (*dev->dev_ops->mirror_rule_set)(dev,
3328                                                 mirror_conf, rule_id, on));
3329 }
3330
3331 int
3332 rte_eth_mirror_rule_reset(uint16_t port_id, uint8_t rule_id)
3333 {
3334         struct rte_eth_dev *dev;
3335
3336         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3337
3338         dev = &rte_eth_devices[port_id];
3339         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->mirror_rule_reset, -ENOTSUP);
3340
3341         return eth_err(port_id, (*dev->dev_ops->mirror_rule_reset)(dev,
3342                                                                    rule_id));
3343 }
3344
3345 RTE_INIT(eth_dev_init_cb_lists)
3346 {
3347         int i;
3348
3349         for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3350                 TAILQ_INIT(&rte_eth_devices[i].link_intr_cbs);
3351 }
3352
3353 int
3354 rte_eth_dev_callback_register(uint16_t port_id,
3355                         enum rte_eth_event_type event,
3356                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3357 {
3358         struct rte_eth_dev *dev;
3359         struct rte_eth_dev_callback *user_cb;
3360         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3361         uint16_t last_port;
3362
3363         if (!cb_fn)
3364                 return -EINVAL;
3365
3366         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3367                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3368                 return -EINVAL;
3369         }
3370
3371         if (port_id == RTE_ETH_ALL) {
3372                 next_port = 0;
3373                 last_port = RTE_MAX_ETHPORTS - 1;
3374         } else {
3375                 next_port = last_port = port_id;
3376         }
3377
3378         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3379
3380         do {
3381                 dev = &rte_eth_devices[next_port];
3382
3383                 TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
3384                         if (user_cb->cb_fn == cb_fn &&
3385                                 user_cb->cb_arg == cb_arg &&
3386                                 user_cb->event == event) {
3387                                 break;
3388                         }
3389                 }
3390
3391                 /* create a new callback. */
3392                 if (user_cb == NULL) {
3393                         user_cb = rte_zmalloc("INTR_USER_CALLBACK",
3394                                 sizeof(struct rte_eth_dev_callback), 0);
3395                         if (user_cb != NULL) {
3396                                 user_cb->cb_fn = cb_fn;
3397                                 user_cb->cb_arg = cb_arg;
3398                                 user_cb->event = event;
3399                                 TAILQ_INSERT_TAIL(&(dev->link_intr_cbs),
3400                                                   user_cb, next);
3401                         } else {
3402                                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3403                                 rte_eth_dev_callback_unregister(port_id, event,
3404                                                                 cb_fn, cb_arg);
3405                                 return -ENOMEM;
3406                         }
3407
3408                 }
3409         } while (++next_port <= last_port);
3410
3411         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3412         return 0;
3413 }
3414
3415 int
3416 rte_eth_dev_callback_unregister(uint16_t port_id,
3417                         enum rte_eth_event_type event,
3418                         rte_eth_dev_cb_fn cb_fn, void *cb_arg)
3419 {
3420         int ret;
3421         struct rte_eth_dev *dev;
3422         struct rte_eth_dev_callback *cb, *next;
3423         uint32_t next_port; /* size is 32-bit to prevent loop wrap-around */
3424         uint16_t last_port;
3425
3426         if (!cb_fn)
3427                 return -EINVAL;
3428
3429         if (!rte_eth_dev_is_valid_port(port_id) && port_id != RTE_ETH_ALL) {
3430                 RTE_ETHDEV_LOG(ERR, "Invalid port_id=%d\n", port_id);
3431                 return -EINVAL;
3432         }
3433
3434         if (port_id == RTE_ETH_ALL) {
3435                 next_port = 0;
3436                 last_port = RTE_MAX_ETHPORTS - 1;
3437         } else {
3438                 next_port = last_port = port_id;
3439         }
3440
3441         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3442
3443         do {
3444                 dev = &rte_eth_devices[next_port];
3445                 ret = 0;
3446                 for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL;
3447                      cb = next) {
3448
3449                         next = TAILQ_NEXT(cb, next);
3450
3451                         if (cb->cb_fn != cb_fn || cb->event != event ||
3452                             (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
3453                                 continue;
3454
3455                         /*
3456                          * if this callback is not executing right now,
3457                          * then remove it.
3458                          */
3459                         if (cb->active == 0) {
3460                                 TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
3461                                 rte_free(cb);
3462                         } else {
3463                                 ret = -EAGAIN;
3464                         }
3465                 }
3466         } while (++next_port <= last_port);
3467
3468         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3469         return ret;
3470 }
3471
3472 int
3473 _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
3474         enum rte_eth_event_type event, void *ret_param)
3475 {
3476         struct rte_eth_dev_callback *cb_lst;
3477         struct rte_eth_dev_callback dev_cb;
3478         int rc = 0;
3479
3480         rte_spinlock_lock(&rte_eth_dev_cb_lock);
3481         TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
3482                 if (cb_lst->cb_fn == NULL || cb_lst->event != event)
3483                         continue;
3484                 dev_cb = *cb_lst;
3485                 cb_lst->active = 1;
3486                 if (ret_param != NULL)
3487                         dev_cb.ret_param = ret_param;
3488
3489                 rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3490                 rc = dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
3491                                 dev_cb.cb_arg, dev_cb.ret_param);
3492                 rte_spinlock_lock(&rte_eth_dev_cb_lock);
3493                 cb_lst->active = 0;
3494         }
3495         rte_spinlock_unlock(&rte_eth_dev_cb_lock);
3496         return rc;
3497 }
3498
3499 void
3500 rte_eth_dev_probing_finish(struct rte_eth_dev *dev)
3501 {
3502         if (dev == NULL)
3503                 return;
3504
3505         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_NEW, NULL);
3506
3507         dev->state = RTE_ETH_DEV_ATTACHED;
3508 }
3509
3510 int
3511 rte_eth_dev_rx_intr_ctl(uint16_t port_id, int epfd, int op, void *data)
3512 {
3513         uint32_t vec;
3514         struct rte_eth_dev *dev;
3515         struct rte_intr_handle *intr_handle;
3516         uint16_t qid;
3517         int rc;
3518
3519         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3520
3521         dev = &rte_eth_devices[port_id];
3522
3523         if (!dev->intr_handle) {
3524                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3525                 return -ENOTSUP;
3526         }
3527
3528         intr_handle = dev->intr_handle;
3529         if (!intr_handle->intr_vec) {
3530                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3531                 return -EPERM;
3532         }
3533
3534         for (qid = 0; qid < dev->data->nb_rx_queues; qid++) {
3535                 vec = intr_handle->intr_vec[qid];
3536                 rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3537                 if (rc && rc != -EEXIST) {
3538                         RTE_ETHDEV_LOG(ERR,
3539                                 "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3540                                 port_id, qid, op, epfd, vec);
3541                 }
3542         }
3543
3544         return 0;
3545 }
3546
3547 int __rte_experimental
3548 rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id)
3549 {
3550         struct rte_intr_handle *intr_handle;
3551         struct rte_eth_dev *dev;
3552         unsigned int efd_idx;
3553         uint32_t vec;
3554         int fd;
3555
3556         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
3557
3558         dev = &rte_eth_devices[port_id];
3559
3560         if (queue_id >= dev->data->nb_rx_queues) {
3561                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3562                 return -1;
3563         }
3564
3565         if (!dev->intr_handle) {
3566                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3567                 return -1;
3568         }
3569
3570         intr_handle = dev->intr_handle;
3571         if (!intr_handle->intr_vec) {
3572                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3573                 return -1;
3574         }
3575
3576         vec = intr_handle->intr_vec[queue_id];
3577         efd_idx = (vec >= RTE_INTR_VEC_RXTX_OFFSET) ?
3578                 (vec - RTE_INTR_VEC_RXTX_OFFSET) : vec;
3579         fd = intr_handle->efds[efd_idx];
3580
3581         return fd;
3582 }
3583
3584 const struct rte_memzone *
3585 rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
3586                          uint16_t queue_id, size_t size, unsigned align,
3587                          int socket_id)
3588 {
3589         char z_name[RTE_MEMZONE_NAMESIZE];
3590         const struct rte_memzone *mz;
3591
3592         snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s",
3593                  dev->data->port_id, queue_id, ring_name);
3594
3595         mz = rte_memzone_lookup(z_name);
3596         if (mz)
3597                 return mz;
3598
3599         return rte_memzone_reserve_aligned(z_name, size, socket_id,
3600                         RTE_MEMZONE_IOVA_CONTIG, align);
3601 }
3602
3603 int __rte_experimental
3604 rte_eth_dev_create(struct rte_device *device, const char *name,
3605         size_t priv_data_size,
3606         ethdev_bus_specific_init ethdev_bus_specific_init,
3607         void *bus_init_params,
3608         ethdev_init_t ethdev_init, void *init_params)
3609 {
3610         struct rte_eth_dev *ethdev;
3611         int retval;
3612
3613         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_init, -EINVAL);
3614
3615         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
3616                 ethdev = rte_eth_dev_allocate(name);
3617                 if (!ethdev)
3618                         return -ENODEV;
3619
3620                 if (priv_data_size) {
3621                         ethdev->data->dev_private = rte_zmalloc_socket(
3622                                 name, priv_data_size, RTE_CACHE_LINE_SIZE,
3623                                 device->numa_node);
3624
3625                         if (!ethdev->data->dev_private) {
3626                                 RTE_LOG(ERR, EAL, "failed to allocate private data");
3627                                 retval = -ENOMEM;
3628                                 goto probe_failed;
3629                         }
3630                 }
3631         } else {
3632                 ethdev = rte_eth_dev_attach_secondary(name);
3633                 if (!ethdev) {
3634                         RTE_LOG(ERR, EAL, "secondary process attach failed, "
3635                                 "ethdev doesn't exist");
3636                         return  -ENODEV;
3637                 }
3638         }
3639
3640         ethdev->device = device;
3641
3642         if (ethdev_bus_specific_init) {
3643                 retval = ethdev_bus_specific_init(ethdev, bus_init_params);
3644                 if (retval) {
3645                         RTE_LOG(ERR, EAL,
3646                                 "ethdev bus specific initialisation failed");
3647                         goto probe_failed;
3648                 }
3649         }
3650
3651         retval = ethdev_init(ethdev, init_params);
3652         if (retval) {
3653                 RTE_LOG(ERR, EAL, "ethdev initialisation failed");
3654                 goto probe_failed;
3655         }
3656
3657         rte_eth_dev_probing_finish(ethdev);
3658
3659         return retval;
3660
3661 probe_failed:
3662         rte_eth_dev_release_port(ethdev);
3663         return retval;
3664 }
3665
3666 int  __rte_experimental
3667 rte_eth_dev_destroy(struct rte_eth_dev *ethdev,
3668         ethdev_uninit_t ethdev_uninit)
3669 {
3670         int ret;
3671
3672         ethdev = rte_eth_dev_allocated(ethdev->data->name);
3673         if (!ethdev)
3674                 return -ENODEV;
3675
3676         RTE_FUNC_PTR_OR_ERR_RET(*ethdev_uninit, -EINVAL);
3677
3678         ret = ethdev_uninit(ethdev);
3679         if (ret)
3680                 return ret;
3681
3682         return rte_eth_dev_release_port(ethdev);
3683 }
3684
3685 int
3686 rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
3687                           int epfd, int op, void *data)
3688 {
3689         uint32_t vec;
3690         struct rte_eth_dev *dev;
3691         struct rte_intr_handle *intr_handle;
3692         int rc;
3693
3694         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3695
3696         dev = &rte_eth_devices[port_id];
3697         if (queue_id >= dev->data->nb_rx_queues) {
3698                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3699                 return -EINVAL;
3700         }
3701
3702         if (!dev->intr_handle) {
3703                 RTE_ETHDEV_LOG(ERR, "RX Intr handle unset\n");
3704                 return -ENOTSUP;
3705         }
3706
3707         intr_handle = dev->intr_handle;
3708         if (!intr_handle->intr_vec) {
3709                 RTE_ETHDEV_LOG(ERR, "RX Intr vector unset\n");
3710                 return -EPERM;
3711         }
3712
3713         vec = intr_handle->intr_vec[queue_id];
3714         rc = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
3715         if (rc && rc != -EEXIST) {
3716                 RTE_ETHDEV_LOG(ERR,
3717                         "p %u q %u rx ctl error op %d epfd %d vec %u\n",
3718                         port_id, queue_id, op, epfd, vec);
3719                 return rc;
3720         }
3721
3722         return 0;
3723 }
3724
3725 int
3726 rte_eth_dev_rx_intr_enable(uint16_t port_id,
3727                            uint16_t queue_id)
3728 {
3729         struct rte_eth_dev *dev;
3730
3731         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3732
3733         dev = &rte_eth_devices[port_id];
3734
3735         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_enable, -ENOTSUP);
3736         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_enable)(dev,
3737                                                                 queue_id));
3738 }
3739
3740 int
3741 rte_eth_dev_rx_intr_disable(uint16_t port_id,
3742                             uint16_t queue_id)
3743 {
3744         struct rte_eth_dev *dev;
3745
3746         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3747
3748         dev = &rte_eth_devices[port_id];
3749
3750         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_intr_disable, -ENOTSUP);
3751         return eth_err(port_id, (*dev->dev_ops->rx_queue_intr_disable)(dev,
3752                                                                 queue_id));
3753 }
3754
3755
3756 int
3757 rte_eth_dev_filter_supported(uint16_t port_id,
3758                              enum rte_filter_type filter_type)
3759 {
3760         struct rte_eth_dev *dev;
3761
3762         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3763
3764         dev = &rte_eth_devices[port_id];
3765         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3766         return (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3767                                 RTE_ETH_FILTER_NOP, NULL);
3768 }
3769
3770 int
3771 rte_eth_dev_filter_ctrl(uint16_t port_id, enum rte_filter_type filter_type,
3772                         enum rte_filter_op filter_op, void *arg)
3773 {
3774         struct rte_eth_dev *dev;
3775
3776         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3777
3778         dev = &rte_eth_devices[port_id];
3779         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->filter_ctrl, -ENOTSUP);
3780         return eth_err(port_id, (*dev->dev_ops->filter_ctrl)(dev, filter_type,
3781                                                              filter_op, arg));
3782 }
3783
3784 const struct rte_eth_rxtx_callback *
3785 rte_eth_add_rx_callback(uint16_t port_id, uint16_t queue_id,
3786                 rte_rx_callback_fn fn, void *user_param)
3787 {
3788 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3789         rte_errno = ENOTSUP;
3790         return NULL;
3791 #endif
3792         /* check input parameters */
3793         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3794                     queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3795                 rte_errno = EINVAL;
3796                 return NULL;
3797         }
3798         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3799
3800         if (cb == NULL) {
3801                 rte_errno = ENOMEM;
3802                 return NULL;
3803         }
3804
3805         cb->fn.rx = fn;
3806         cb->param = user_param;
3807
3808         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3809         /* Add the callbacks in fifo order. */
3810         struct rte_eth_rxtx_callback *tail =
3811                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3812
3813         if (!tail) {
3814                 rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3815
3816         } else {
3817                 while (tail->next)
3818                         tail = tail->next;
3819                 tail->next = cb;
3820         }
3821         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3822
3823         return cb;
3824 }
3825
3826 const struct rte_eth_rxtx_callback *
3827 rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
3828                 rte_rx_callback_fn fn, void *user_param)
3829 {
3830 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3831         rte_errno = ENOTSUP;
3832         return NULL;
3833 #endif
3834         /* check input parameters */
3835         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3836                 queue_id >= rte_eth_devices[port_id].data->nb_rx_queues) {
3837                 rte_errno = EINVAL;
3838                 return NULL;
3839         }
3840
3841         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3842
3843         if (cb == NULL) {
3844                 rte_errno = ENOMEM;
3845                 return NULL;
3846         }
3847
3848         cb->fn.rx = fn;
3849         cb->param = user_param;
3850
3851         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3852         /* Add the callbacks at fisrt position*/
3853         cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
3854         rte_smp_wmb();
3855         rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
3856         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3857
3858         return cb;
3859 }
3860
3861 const struct rte_eth_rxtx_callback *
3862 rte_eth_add_tx_callback(uint16_t port_id, uint16_t queue_id,
3863                 rte_tx_callback_fn fn, void *user_param)
3864 {
3865 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3866         rte_errno = ENOTSUP;
3867         return NULL;
3868 #endif
3869         /* check input parameters */
3870         if (!rte_eth_dev_is_valid_port(port_id) || fn == NULL ||
3871                     queue_id >= rte_eth_devices[port_id].data->nb_tx_queues) {
3872                 rte_errno = EINVAL;
3873                 return NULL;
3874         }
3875
3876         struct rte_eth_rxtx_callback *cb = rte_zmalloc(NULL, sizeof(*cb), 0);
3877
3878         if (cb == NULL) {
3879                 rte_errno = ENOMEM;
3880                 return NULL;
3881         }
3882
3883         cb->fn.tx = fn;
3884         cb->param = user_param;
3885
3886         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3887         /* Add the callbacks in fifo order. */
3888         struct rte_eth_rxtx_callback *tail =
3889                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
3890
3891         if (!tail) {
3892                 rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
3893
3894         } else {
3895                 while (tail->next)
3896                         tail = tail->next;
3897                 tail->next = cb;
3898         }
3899         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3900
3901         return cb;
3902 }
3903
3904 int
3905 rte_eth_remove_rx_callback(uint16_t port_id, uint16_t queue_id,
3906                 const struct rte_eth_rxtx_callback *user_cb)
3907 {
3908 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3909         return -ENOTSUP;
3910 #endif
3911         /* Check input parameters. */
3912         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3913         if (user_cb == NULL ||
3914                         queue_id >= rte_eth_devices[port_id].data->nb_rx_queues)
3915                 return -EINVAL;
3916
3917         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3918         struct rte_eth_rxtx_callback *cb;
3919         struct rte_eth_rxtx_callback **prev_cb;
3920         int ret = -EINVAL;
3921
3922         rte_spinlock_lock(&rte_eth_rx_cb_lock);
3923         prev_cb = &dev->post_rx_burst_cbs[queue_id];
3924         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3925                 cb = *prev_cb;
3926                 if (cb == user_cb) {
3927                         /* Remove the user cb from the callback list. */
3928                         *prev_cb = cb->next;
3929                         ret = 0;
3930                         break;
3931                 }
3932         }
3933         rte_spinlock_unlock(&rte_eth_rx_cb_lock);
3934
3935         return ret;
3936 }
3937
3938 int
3939 rte_eth_remove_tx_callback(uint16_t port_id, uint16_t queue_id,
3940                 const struct rte_eth_rxtx_callback *user_cb)
3941 {
3942 #ifndef RTE_ETHDEV_RXTX_CALLBACKS
3943         return -ENOTSUP;
3944 #endif
3945         /* Check input parameters. */
3946         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
3947         if (user_cb == NULL ||
3948                         queue_id >= rte_eth_devices[port_id].data->nb_tx_queues)
3949                 return -EINVAL;
3950
3951         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
3952         int ret = -EINVAL;
3953         struct rte_eth_rxtx_callback *cb;
3954         struct rte_eth_rxtx_callback **prev_cb;
3955
3956         rte_spinlock_lock(&rte_eth_tx_cb_lock);
3957         prev_cb = &dev->pre_tx_burst_cbs[queue_id];
3958         for (; *prev_cb != NULL; prev_cb = &cb->next) {
3959                 cb = *prev_cb;
3960                 if (cb == user_cb) {
3961                         /* Remove the user cb from the callback list. */
3962                         *prev_cb = cb->next;
3963                         ret = 0;
3964                         break;
3965                 }
3966         }
3967         rte_spinlock_unlock(&rte_eth_tx_cb_lock);
3968
3969         return ret;
3970 }
3971
3972 int
3973 rte_eth_rx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3974         struct rte_eth_rxq_info *qinfo)
3975 {
3976         struct rte_eth_dev *dev;
3977
3978         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
3979
3980         if (qinfo == NULL)
3981                 return -EINVAL;
3982
3983         dev = &rte_eth_devices[port_id];
3984         if (queue_id >= dev->data->nb_rx_queues) {
3985                 RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id);
3986                 return -EINVAL;
3987         }
3988
3989         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rxq_info_get, -ENOTSUP);
3990
3991         memset(qinfo, 0, sizeof(*qinfo));
3992         dev->dev_ops->rxq_info_get(dev, queue_id, qinfo);
3993         return 0;
3994 }
3995
3996 int
3997 rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
3998         struct rte_eth_txq_info *qinfo)
3999 {
4000         struct rte_eth_dev *dev;
4001
4002         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4003
4004         if (qinfo == NULL)
4005                 return -EINVAL;
4006
4007         dev = &rte_eth_devices[port_id];
4008         if (queue_id >= dev->data->nb_tx_queues) {
4009                 RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id);
4010                 return -EINVAL;
4011         }
4012
4013         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->txq_info_get, -ENOTSUP);
4014
4015         memset(qinfo, 0, sizeof(*qinfo));
4016         dev->dev_ops->txq_info_get(dev, queue_id, qinfo);
4017
4018         return 0;
4019 }
4020
4021 int
4022 rte_eth_dev_set_mc_addr_list(uint16_t port_id,
4023                              struct ether_addr *mc_addr_set,
4024                              uint32_t nb_mc_addr)
4025 {
4026         struct rte_eth_dev *dev;
4027
4028         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4029
4030         dev = &rte_eth_devices[port_id];
4031         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
4032         return eth_err(port_id, dev->dev_ops->set_mc_addr_list(dev,
4033                                                 mc_addr_set, nb_mc_addr));
4034 }
4035
4036 int
4037 rte_eth_timesync_enable(uint16_t port_id)
4038 {
4039         struct rte_eth_dev *dev;
4040
4041         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4042         dev = &rte_eth_devices[port_id];
4043
4044         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
4045         return eth_err(port_id, (*dev->dev_ops->timesync_enable)(dev));
4046 }
4047
4048 int
4049 rte_eth_timesync_disable(uint16_t port_id)
4050 {
4051         struct rte_eth_dev *dev;
4052
4053         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4054         dev = &rte_eth_devices[port_id];
4055
4056         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
4057         return eth_err(port_id, (*dev->dev_ops->timesync_disable)(dev));
4058 }
4059
4060 int
4061 rte_eth_timesync_read_rx_timestamp(uint16_t port_id, struct timespec *timestamp,
4062                                    uint32_t flags)
4063 {
4064         struct rte_eth_dev *dev;
4065
4066         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4067         dev = &rte_eth_devices[port_id];
4068
4069         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
4070         return eth_err(port_id, (*dev->dev_ops->timesync_read_rx_timestamp)
4071                                 (dev, timestamp, flags));
4072 }
4073
4074 int
4075 rte_eth_timesync_read_tx_timestamp(uint16_t port_id,
4076                                    struct timespec *timestamp)
4077 {
4078         struct rte_eth_dev *dev;
4079
4080         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4081         dev = &rte_eth_devices[port_id];
4082
4083         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
4084         return eth_err(port_id, (*dev->dev_ops->timesync_read_tx_timestamp)
4085                                 (dev, timestamp));
4086 }
4087
4088 int
4089 rte_eth_timesync_adjust_time(uint16_t port_id, int64_t delta)
4090 {
4091         struct rte_eth_dev *dev;
4092
4093         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4094         dev = &rte_eth_devices[port_id];
4095
4096         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_adjust_time, -ENOTSUP);
4097         return eth_err(port_id, (*dev->dev_ops->timesync_adjust_time)(dev,
4098                                                                       delta));
4099 }
4100
4101 int
4102 rte_eth_timesync_read_time(uint16_t port_id, struct timespec *timestamp)
4103 {
4104         struct rte_eth_dev *dev;
4105
4106         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4107         dev = &rte_eth_devices[port_id];
4108
4109         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_time, -ENOTSUP);
4110         return eth_err(port_id, (*dev->dev_ops->timesync_read_time)(dev,
4111                                                                 timestamp));
4112 }
4113
4114 int
4115 rte_eth_timesync_write_time(uint16_t port_id, const struct timespec *timestamp)
4116 {
4117         struct rte_eth_dev *dev;
4118
4119         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4120         dev = &rte_eth_devices[port_id];
4121
4122         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_write_time, -ENOTSUP);
4123         return eth_err(port_id, (*dev->dev_ops->timesync_write_time)(dev,
4124                                                                 timestamp));
4125 }
4126
4127 int
4128 rte_eth_dev_get_reg_info(uint16_t port_id, struct rte_dev_reg_info *info)
4129 {
4130         struct rte_eth_dev *dev;
4131
4132         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4133
4134         dev = &rte_eth_devices[port_id];
4135         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_reg, -ENOTSUP);
4136         return eth_err(port_id, (*dev->dev_ops->get_reg)(dev, info));
4137 }
4138
4139 int
4140 rte_eth_dev_get_eeprom_length(uint16_t port_id)
4141 {
4142         struct rte_eth_dev *dev;
4143
4144         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4145
4146         dev = &rte_eth_devices[port_id];
4147         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom_length, -ENOTSUP);
4148         return eth_err(port_id, (*dev->dev_ops->get_eeprom_length)(dev));
4149 }
4150
4151 int
4152 rte_eth_dev_get_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4153 {
4154         struct rte_eth_dev *dev;
4155
4156         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4157
4158         dev = &rte_eth_devices[port_id];
4159         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_eeprom, -ENOTSUP);
4160         return eth_err(port_id, (*dev->dev_ops->get_eeprom)(dev, info));
4161 }
4162
4163 int
4164 rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info)
4165 {
4166         struct rte_eth_dev *dev;
4167
4168         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4169
4170         dev = &rte_eth_devices[port_id];
4171         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_eeprom, -ENOTSUP);
4172         return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
4173 }
4174
4175 int __rte_experimental
4176 rte_eth_dev_get_module_info(uint16_t port_id,
4177                             struct rte_eth_dev_module_info *modinfo)
4178 {
4179         struct rte_eth_dev *dev;
4180
4181         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4182
4183         dev = &rte_eth_devices[port_id];
4184         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
4185         return (*dev->dev_ops->get_module_info)(dev, modinfo);
4186 }
4187
4188 int __rte_experimental
4189 rte_eth_dev_get_module_eeprom(uint16_t port_id,
4190                               struct rte_dev_eeprom_info *info)
4191 {
4192         struct rte_eth_dev *dev;
4193
4194         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4195
4196         dev = &rte_eth_devices[port_id];
4197         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
4198         return (*dev->dev_ops->get_module_eeprom)(dev, info);
4199 }
4200
4201 int
4202 rte_eth_dev_get_dcb_info(uint16_t port_id,
4203                              struct rte_eth_dcb_info *dcb_info)
4204 {
4205         struct rte_eth_dev *dev;
4206
4207         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4208
4209         dev = &rte_eth_devices[port_id];
4210         memset(dcb_info, 0, sizeof(struct rte_eth_dcb_info));
4211
4212         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_dcb_info, -ENOTSUP);
4213         return eth_err(port_id, (*dev->dev_ops->get_dcb_info)(dev, dcb_info));
4214 }
4215
4216 int
4217 rte_eth_dev_l2_tunnel_eth_type_conf(uint16_t port_id,
4218                                     struct rte_eth_l2_tunnel_conf *l2_tunnel)
4219 {
4220         struct rte_eth_dev *dev;
4221
4222         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4223         if (l2_tunnel == NULL) {
4224                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4225                 return -EINVAL;
4226         }
4227
4228         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4229                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4230                 return -EINVAL;
4231         }
4232
4233         dev = &rte_eth_devices[port_id];
4234         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_eth_type_conf,
4235                                 -ENOTSUP);
4236         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_eth_type_conf)(dev,
4237                                                                 l2_tunnel));
4238 }
4239
4240 int
4241 rte_eth_dev_l2_tunnel_offload_set(uint16_t port_id,
4242                                   struct rte_eth_l2_tunnel_conf *l2_tunnel,
4243                                   uint32_t mask,
4244                                   uint8_t en)
4245 {
4246         struct rte_eth_dev *dev;
4247
4248         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4249
4250         if (l2_tunnel == NULL) {
4251                 RTE_ETHDEV_LOG(ERR, "Invalid l2_tunnel parameter\n");
4252                 return -EINVAL;
4253         }
4254
4255         if (l2_tunnel->l2_tunnel_type >= RTE_TUNNEL_TYPE_MAX) {
4256                 RTE_ETHDEV_LOG(ERR, "Invalid tunnel type\n");
4257                 return -EINVAL;
4258         }
4259
4260         if (mask == 0) {
4261                 RTE_ETHDEV_LOG(ERR, "Mask should have a value\n");
4262                 return -EINVAL;
4263         }
4264
4265         dev = &rte_eth_devices[port_id];
4266         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->l2_tunnel_offload_set,
4267                                 -ENOTSUP);
4268         return eth_err(port_id, (*dev->dev_ops->l2_tunnel_offload_set)(dev,
4269                                                         l2_tunnel, mask, en));
4270 }
4271
4272 static void
4273 rte_eth_dev_adjust_nb_desc(uint16_t *nb_desc,
4274                            const struct rte_eth_desc_lim *desc_lim)
4275 {
4276         if (desc_lim->nb_align != 0)
4277                 *nb_desc = RTE_ALIGN_CEIL(*nb_desc, desc_lim->nb_align);
4278
4279         if (desc_lim->nb_max != 0)
4280                 *nb_desc = RTE_MIN(*nb_desc, desc_lim->nb_max);
4281
4282         *nb_desc = RTE_MAX(*nb_desc, desc_lim->nb_min);
4283 }
4284
4285 int
4286 rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id,
4287                                  uint16_t *nb_rx_desc,
4288                                  uint16_t *nb_tx_desc)
4289 {
4290         struct rte_eth_dev *dev;
4291         struct rte_eth_dev_info dev_info;
4292
4293         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4294
4295         dev = &rte_eth_devices[port_id];
4296         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
4297
4298         rte_eth_dev_info_get(port_id, &dev_info);
4299
4300         if (nb_rx_desc != NULL)
4301                 rte_eth_dev_adjust_nb_desc(nb_rx_desc, &dev_info.rx_desc_lim);
4302
4303         if (nb_tx_desc != NULL)
4304                 rte_eth_dev_adjust_nb_desc(nb_tx_desc, &dev_info.tx_desc_lim);
4305
4306         return 0;
4307 }
4308
4309 int
4310 rte_eth_dev_pool_ops_supported(uint16_t port_id, const char *pool)
4311 {
4312         struct rte_eth_dev *dev;
4313
4314         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
4315
4316         if (pool == NULL)
4317                 return -EINVAL;
4318
4319         dev = &rte_eth_devices[port_id];
4320
4321         if (*dev->dev_ops->pool_ops_supported == NULL)
4322                 return 1; /* all pools are supported */
4323
4324         return (*dev->dev_ops->pool_ops_supported)(dev, pool);
4325 }
4326
4327 /**
4328  * A set of values to describe the possible states of a switch domain.
4329  */
4330 enum rte_eth_switch_domain_state {
4331         RTE_ETH_SWITCH_DOMAIN_UNUSED = 0,
4332         RTE_ETH_SWITCH_DOMAIN_ALLOCATED
4333 };
4334
4335 /**
4336  * Array of switch domains available for allocation. Array is sized to
4337  * RTE_MAX_ETHPORTS elements as there cannot be more active switch domains than
4338  * ethdev ports in a single process.
4339  */
4340 static struct rte_eth_dev_switch {
4341         enum rte_eth_switch_domain_state state;
4342 } rte_eth_switch_domains[RTE_MAX_ETHPORTS];
4343
4344 int __rte_experimental
4345 rte_eth_switch_domain_alloc(uint16_t *domain_id)
4346 {
4347         unsigned int i;
4348
4349         *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
4350
4351         for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
4352                 i < RTE_MAX_ETHPORTS; i++) {
4353                 if (rte_eth_switch_domains[i].state ==
4354                         RTE_ETH_SWITCH_DOMAIN_UNUSED) {
4355                         rte_eth_switch_domains[i].state =
4356                                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED;
4357                         *domain_id = i;
4358                         return 0;
4359                 }
4360         }
4361
4362         return -ENOSPC;
4363 }
4364
4365 int __rte_experimental
4366 rte_eth_switch_domain_free(uint16_t domain_id)
4367 {
4368         if (domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID ||
4369                 domain_id >= RTE_MAX_ETHPORTS)
4370                 return -EINVAL;
4371
4372         if (rte_eth_switch_domains[domain_id].state !=
4373                 RTE_ETH_SWITCH_DOMAIN_ALLOCATED)
4374                 return -EINVAL;
4375
4376         rte_eth_switch_domains[domain_id].state = RTE_ETH_SWITCH_DOMAIN_UNUSED;
4377
4378         return 0;
4379 }
4380
4381 static int
4382 rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in)
4383 {
4384         int state;
4385         struct rte_kvargs_pair *pair;
4386         char *letter;
4387
4388         arglist->str = strdup(str_in);
4389         if (arglist->str == NULL)
4390                 return -ENOMEM;
4391
4392         letter = arglist->str;
4393         state = 0;
4394         arglist->count = 0;
4395         pair = &arglist->pairs[0];
4396         while (1) {
4397                 switch (state) {
4398                 case 0: /* Initial */
4399                         if (*letter == '=')
4400                                 return -EINVAL;
4401                         else if (*letter == '\0')
4402                                 return 0;
4403
4404                         state = 1;
4405                         pair->key = letter;
4406                         /* fall-thru */
4407
4408                 case 1: /* Parsing key */
4409                         if (*letter == '=') {
4410                                 *letter = '\0';
4411                                 pair->value = letter + 1;
4412                                 state = 2;
4413                         } else if (*letter == ',' || *letter == '\0')
4414                                 return -EINVAL;
4415                         break;
4416
4417
4418                 case 2: /* Parsing value */
4419                         if (*letter == '[')
4420                                 state = 3;
4421                         else if (*letter == ',') {
4422                                 *letter = '\0';
4423                                 arglist->count++;
4424                                 pair = &arglist->pairs[arglist->count];
4425                                 state = 0;
4426                         } else if (*letter == '\0') {
4427                                 letter--;
4428                                 arglist->count++;
4429                                 pair = &arglist->pairs[arglist->count];
4430                                 state = 0;
4431                         }
4432                         break;
4433
4434                 case 3: /* Parsing list */
4435                         if (*letter == ']')
4436                                 state = 2;
4437                         else if (*letter == '\0')
4438                                 return -EINVAL;
4439                         break;
4440                 }
4441                 letter++;
4442         }
4443 }
4444
4445 int __rte_experimental
4446 rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da)
4447 {
4448         struct rte_kvargs args;
4449         struct rte_kvargs_pair *pair;
4450         unsigned int i;
4451         int result = 0;
4452
4453         memset(eth_da, 0, sizeof(*eth_da));
4454
4455         result = rte_eth_devargs_tokenise(&args, dargs);
4456         if (result < 0)
4457                 goto parse_cleanup;
4458
4459         for (i = 0; i < args.count; i++) {
4460                 pair = &args.pairs[i];
4461                 if (strcmp("representor", pair->key) == 0) {
4462                         result = rte_eth_devargs_parse_list(pair->value,
4463                                 rte_eth_devargs_parse_representor_ports,
4464                                 eth_da);
4465                         if (result < 0)
4466                                 goto parse_cleanup;
4467                 }
4468         }
4469
4470 parse_cleanup:
4471         if (args.str)
4472                 free(args.str);
4473
4474         return result;
4475 }
4476
4477 RTE_INIT(ethdev_init_log)
4478 {
4479         rte_eth_dev_logtype = rte_log_register("lib.ethdev");
4480         if (rte_eth_dev_logtype >= 0)
4481                 rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
4482 }